2026 Top 10 Aluminum Die Casting Manufacturers & Suppliers in China (Based on 2025 Annual Reports)

How can you identify a truly leading aluminium die-casting partner in China's competitive global market? As the world's largest producer of aluminium die-castings, China is home to hundreds of aluminium die casting companies — but only a select few define the industry's technological frontier. The rapid emergence of integrated gigacasting, the dominance of new energy vehicles (NEVs), and global expansion strategies are reshaping the competitive landscape in 2025.

Most "Top 10" lists you'll find online are based on marketing claims or paid placements. This one is different. Every company on this list is publicly listed on a Chinese stock exchange, with audited or officially disclosed 2025 financial data. We evaluated them across four measurable dimensions:

1. Revenue scale & growth — pulled directly from 2025 annual reports
2. Technological leadership — especially in gigacasting and large-scale integrated die-casting
3. Customer portfolio — verified Tier-1 supplier status with global OEMs (Tesla, Bosch, BMW, Huawei, etc.)
4. Industrial capacity & global footprint — number of plants, machine tonnage, overseas operations

Below is the ranking, followed by a detailed methodology section and — critically — a section on whether these companies are the right fit for your business, which most ranking articles fail to address honestly.

List of the Top 10 Aluminium Die-Casting Manufacturers and Suppliers in China

Here is a quick-reference overview of all ten companies, ranked by 2025 revenue within their core aluminium die-casting business and weighted by technological differentiation.

1. Tuopu Group

Tuopu Group is China's largest aluminium die-casting enterprise by revenue and a core Tier-1 supplier to Tesla. Over its 40-year history, the company has evolved from a rubber damping components maker into a technology-driven, platform-based automotive parts leader. Tuopu is the exclusive supplier of the Model Y integrated gigacasting rear underbody and also supplies chassis, NVH, thermal management, and intelligent driving products. In 2025, revenue continued its six-year growth streak to reach an all-time high.

• Full name: Ningbo Tuopu Group Co., Ltd.
• Established: 1983
• Headquarters: Ningbo, Zhejiang Province, China
• Stock Code: 601689.SH (Shanghai Stock Exchange)

2025 Key Performance

The table below summarizes Tuopu's audited 2025 financials, sourced from its official annual report disclosed on March 24, 2026.

Despite a slight dip in net profit margin, Tuopu's top-line growth reflects robust order volume from both Tesla and domestic NEV brands.

Why Tuopu Group Stands Out

• Core gigacasting supplier to Tesla; deep relationships with BYD, Geely, and NIO
• Operates 6,800T ultra-large die-casting cells for integrated chassis components
• Actively expanding into humanoid robot actuators (potential partnership with Tesla Optimus)
• Global manufacturing footprint across China, North America, and Europe

Source: Tuopu Group 2025 Annual Report, disclosed via Shanghai Stock Exchange on March 24, 2026.

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2. Foryou Group (Huayang)

Foryou Group operates a dual-engine business model combining automotive electronics with precision die-casting. While the automotive electronics segment (HUDs, infotainment) remains its primary revenue driver, the precision die-casting division grew at an exceptional 38% pace in 2025 — significantly outpacing the broader market. This was driven by capacity ramp-up at the company's newly operational Changxing (Zhejiang) facility and expansion into diversified non-automotive customer segments.

• Full name: Huizhou Foryou General Electronics Co., Ltd.
• Established: January 1993
• Headquarters: Huizhou, Guangdong Province, China
• Stock Code: 002906.SZ (Shenzhen Stock Exchange)

2025 Key Performance

Foryou's die-casting segment grew nearly three times faster than the company average, making it one of the most dynamic performers in this ranking.

The 38.47% growth in precision die-casting — far outpacing the broader segment — signals accelerating demand from both European OEMs and domestic NEV clients.

Why Foryou Group Stands Out

• Precision HUD housings supplier to BMW and Mercedes-Benz
• Die-casting segment growing significantly faster than the company average
• Magnesium alloy die-casting applied in steering, chassis, and NEV 3-in-1 systems
• Client roster includes ZF, Bosch, BorgWarner, BYD, Schaeffler, and UAES

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3. Guangdong Hongtu

Guangdong Hongtu is a state-affiliated heavyweight in China's precision aluminium die-casting industry and the first company in China to master ultra-large integrated aluminium gigacasting technology. The company has deployed multiple super-large intelligent die-casting cells, including the world's largest 16,000T unit (alongside a 12,000T cell and two 7,000T machines), primarily producing front cabins, rear floors, and full-size battery tray structures for NEVs.

• Full name: Guangdong Hongtu Technology (Holdings) Co., Ltd.
• Established: December 2000
• Headquarters: Zhaoqing, Guangdong Province, China
• Stock Code: 002101.SZ (Shenzhen Stock Exchange)

2025 Key Performance

In 2025, net profit was affected by ongoing pricing competition, yet revenue expanded on the back of strong growth in domestic NEV brand orders.

The margin compression is a sector-wide trend in 2025, not unique to Hongtu — strong revenue growth is the more meaningful signal here.

Why Guangdong Hongtu Stands Out

• Operates the world's largest 16,000T intelligent die-casting unit
• Expanding into the low-altitude economy — secured project contracts with XPeng AeroHT
• Client portfolio spans Honda, Toyota, GM, XPeng, and major domestic NEV brands
• Ranked among China's Top 50 Automotive Parts Manufacturers

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4. IKD Co., Ltd.

IKD is recognized as a global hidden champion in small-to-medium aluminium alloy precision die-castings, holding an estimated ~30% global market share in automotive wiper system components. The company's business is well balanced across the Americas, Europe, and Asia, with global Tier-1 suppliers forming the core of its customer base. In 2025, IKD began mass production of multiple new projects under a dual-drive strategy combining automotive parts with emerging robotics components.

• Established: December 2003
• Headquarters: Ningbo (Jiangbei District), Zhejiang Province, China
• Stock Code: 600933.SH (Shanghai Stock Exchange)

2025 Key Performance (Mixed Sources)

IKD has not yet published its full 2025 annual report at the time of writing. The figure of RMB 7.96 billion is a consensus estimate from financial data providers and may differ from the final audited result.

The 27.42% H1 net profit growth suggests strong underlying momentum, regardless of where full-year revenue ultimately lands.

Why IKD Stands Out:

• Global leading market position in precision small-to-medium aluminium die-castings
• Blue-chip customer base: Bosch, Valeo, Continental, Magna, ZF, and other global Tier-1s
• Successfully pivoting into NEV structural components (battery packs, e-drive housings)
• Best-in-class operational efficiency with strong lean manufacturing capabilities

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5. Wencan Group

Wencan Group is widely regarded as the global mass-production leader in integrated gigacastings — it produces the most categories and the highest volume of large integrated die-castings worldwide. The company has been developing body structural parts since 2011 and has achieved an integrated product yield rate exceeding 95%. As of mid-2025, Wencan operated 12 ultra-large die-casting cells above 6,000T (including 7 units of 10,000T+), supplying over 1 million large castings annually to leading NEV clients.

• Full name: Wencan Group Co., Ltd.
• Established: September 1998
• Headquarters: Foshan (Nanhai District), Guangdong Province, China
• Stock Code: 603348.SH (Shanghai Stock Exchange)

2025 Key Performance (Preliminary Estimate)

The 2025 full-year preliminary forecast reflected revenue decline and net loss — attributable mainly to rising costs at its French subsidiary, Groupe Baillon, and product mix shifts.

The short-term financial pressure does not diminish Wencan's unmatched technical standing in gigacasting — its volume capabilities remain a category of their own.

Why Wencan Group Stands Out

• Unmatched mass-production experience with 10,000T+ gigacasting cells (10 units planned by end-2025)
• Volume production for NIO, SERES (AITO M9), JAC, and Li Auto
• Completed acquisition of France-based Groupe Baillon, operating 17 plants globally (China, Mexico, Hungary, Serbia)
• World-first achievement: one-piece side-wall integrated casting

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6. Xusheng Group

Xusheng Group is one of the earliest and most trusted Tier-1 suppliers to Tesla in China (partner since 2013). The company provides lightweight aluminium alloy solutions for Tesla's Model S/X, Model 3/Y, and Cybertruck — covering motor housings, battery system components, and chassis parts. Xusheng uniquely masters three core forming processes — die-casting, forging, and extrusion — positioning itself as a platform-based enterprise. In 2025, revenue held flat as the company actively penetrated new non-automotive applications, including humanoid robot magnesium alloy body shells for Figure AI.

• Full name: Ningbo Xusheng Group Co., Ltd.
• Established: August 2003
• Headquarters: Ningbo (Beilun District), Zhejiang Province, China
• Stock Code: 603305.SH (Shanghai Stock Exchange)

2025 Key Performance

Revenue stability masks a meaningful strategic pivot: Xusheng is actively diversifying beyond Tesla into robotics and aerospace — a move that should strengthen long-term revenue quality.

Margin pressure in 2025 is consistent with the broader sector; Xusheng's deep Tesla relationship and robotics push position it well for 2026 recovery.

Why Xusheng Group Stands Out

• Deep 10+ year strategic relationship with Tesla, supplying across all vehicle models
• Magnesium alloy shell supplier for Figure AI; potential future partner for Tesla Optimus
• Mexico manufacturing base began operations in June 2025, enhancing North American capabilities
• Vertically integrated from raw material alloy development to finished components

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7. Millison Technologies (Meilixin)

Millison is a unique "dual-drive" player serving both 5G telecommunications and new energy vehicle markets. In the telecom sector, it is one of the core global suppliers of aluminium die-cast structural parts for Huawei and Ericsson 5G base stations (including base station bodies and shielding covers). In automotive, the company supplies structural parts for the Huawei-backed AITO M9 flagship SUV.

• Full name: Chongqing Meilixin Technology Co., Ltd.
• Established: May 2001
• Headquarters: Chongqing (Banan District), China
• Stock Code: 301307.SZ (Shenzhen Stock Exchange, ChiNext)

2025 Key Performance

While the automotive segment posted moderate gains, the overall net loss widened significantly as multiple new plants — including a greenfield Anhui facility and a new U.S. factory — entered ramp-up phases.

Expansion-phase losses are expected to normalize as new facilities reach full utilization — a pattern common among fast-growing die-casting groups investing in global capacity.

Why Millison Technologies Stands Out

• Core global supplier for Huawei and Ericsson in 5G base station aluminium castings
• Automotive structural parts supplier for AITO M9 and SERES
• Expanding into precision semiconductor component manufacturing
• Long-term strategic partnerships with multiple Fortune Global 500 companies

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8. Rongtai Industry

Rongtai Industry is a niche "single-item champion" in the global aluminium die-casting space. The company dominates the market for aluminium steering gear housings, holding a global market share of approximately 20% (rising steadily from 12.43% in 2017 to ~21% in recent years). Its core clients are the world's top steering system Tier-1 suppliers: Bosch, ZF, Thyssenkrupp, and Nexteer.

• Full name: Jiangsu Rongtai Industry Co., Ltd.
• Established: June 2000
• Headquarters: Yangzhou (Jiangdu District), Jiangsu Province, China
• Stock Code: 605133.SH (Shanghai Stock Exchange)

2025 Key Performance

In 2025, both revenue and net profit climbed as the company completed the acquisition of auto-electronics firm Zhongshan Aoduo, which contributed meaningfully in Q4.

The 37.20% revenue jump — one of the strongest in this ranking — reflects both organic growth and inorganic contribution from the Zhongshan Aoduo acquisition.

Why Rongtai Industry Stands Out

• ~20% global market share in steering gear housing die-castings
• Long-term supply relationships with Bosch, ZF, Thyssenkrupp, and Nexteer
• Expanding into robot actuator parts (housings, lead screws) — a second growth curve
• Global manufacturing presence: China (Yangzhou, Zhuhai) and Mexico (León)

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9. Wanfeng Auto Wheel

Wanfeng Auto Wheel is the undisputed global leader in magnesium alloy die-casting for automotive applications. Through its acquisition of Meridian Lightweight Technologies — the world's leading magnesium casting supplier — Wanfeng holds a commanding ~65% market share of the North American automotive magnesium market and a ~40% global share. Its product portfolio ranges from small parts (steering wheels, column brackets) to large structural components (instrument panel frames, door inner panels).

• Full name: Zhejiang Wanfeng Auto Wheel Co., Ltd.
• Established: September 2001
• Headquarters: Xinchang, Zhejiang Province, China
• Stock Code: 002085.SZ (Shenzhen Stock Exchange)

2025 Key Performance (Preliminary)

Wanfeng issued a positive profit alert for 2025, with preliminary results indicating robust profit growth — among the strongest signals of this cycle.

Wanfeng's higher total revenue (~17.8B) reflects its broader business including general aviation — not directly comparable to pure-play die-casting revenue in this list.

Why Wanfeng Auto Wheel Stands Out

• World's #1 magnesium alloy automotive die-casting supplier (~40% global share)
• ~65% market share in North American automotive magnesium components
• Leading magnesium gigacasting R&D — positioned for the next wave of lightweighting
• Dual-engine model: automotive metal parts + general aviation aircraft manufacturing

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10. Eontec Co., Ltd.

Eontec is a global pioneer in liquid metal (amorphous alloy) technology. Its subsidiary, Yihe Metal, is the exclusive hinge supplier for Huawei's tri-fold phones (Mate X5 series) and also supplies OPPO Find N3. The company's liquid metal hinges achieve fold-crease depth under 10 μm and IP68 waterproof ratings, with over 10 million units shipped in 2024 — capturing more than 60% share of the global premium foldable phone hinge market.

• Full name: Dongguan Eontec Co., Ltd.
• Established: May 1993
• Headquarters: Dongguan (Qingxi Town), Guangdong Province, China
• Stock Code: 300328.SZ (Shenzhen Stock Exchange, ChiNext)

2025 Key Performance

In 2025, revenue edged marginally higher but the bottom line swung to a small net loss as the company invested heavily in expanding liquid metal capacity. Eontec has also penetrated the NEV supply chains of Tesla, BYD, and CATL with magnesium-aluminium lightweight castings.

The marginal loss reflects deliberate capacity investment — Eontec's market position in amorphous alloys remains uniquely defensible.

Why Eontec Stands Out

• Exclusively supplies Huawei's liquid metal tri-fold hinge — 10 μm crease depth control
• 60% global market share in premium foldable phone liquid metal hinges
• NEV lightweight components for Tesla, BYD, Huawei, and CATL
• Expanding into humanoid robot joints and precision transmission with amorphous alloys

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How This Ranking Was Built — Data Sources & Methodology

This is not a sponsored or promotional list. Every company on this ranking is a publicly listed Chinese company whose 2025 financial data has been disclosed through official stock exchange filings. We selected and ranked them using objective, verifiable criteria.

Selection Criteria

1. Public listing & disclosure: Only companies listed on the Shanghai Stock Exchange (SSE) or Shenzhen Stock Exchange (SZSE), with audited or officially disclosed 2025 financials.
2. Aluminium die-casting as a core business: Vertically integrated automakers with internal-only die-casting capacity are excluded — they do not serve the open market.
3. Technological leadership: Demonstrated capability in gigacasting (≥6,000T), precision components, or specialized alloys (magnesium, liquid metal/amorphous).
4. Verifiable customer portfolio: Tier-1 supplier status with documented relationships to global OEMs (Tesla, BMW, Bosch, ZF, Huawei, etc.).

Data Hierarchy & Transparency

We use the most reliable source available for each company. The table below shows the four tiers of data confidence used in this ranking.

Original disclosures can be retrieved from China's official securities information platform CNINFO (www.cninfo.com.cn) and from the SSE / SZSE issuer portals. All financial figures are directly cited from source filings — we do not paraphrase numbers.

Currency & Comparability Note

RMB figures are converted to USD at approximately 7.3 RMB/USD as of April 2026. Exchange-rate fluctuations may affect cross-period comparability.

Disclaimer

This article is for informational and research purposes only. It does not constitute investment advice or a sourcing recommendation. Buyers should perform independent due diligence — including factory audits, capability verification, and reference checks — before any commercial engagement.

Update Cadence

We re-verify this list quarterly as new annual reports, interim reports, and performance updates are filed. The next scheduled review is July 2026.

But Wait — Are These Top 10 Right for Your Business?

The companies in this ranking represent the absolute top tier of China's aluminium die-casting industry. They produce gigacasting structural parts for Tesla, supply Bosch and ZF with millions of precision housings annually, and operate factories the size of small towns.

That scale comes with a caveat most ranking articles don't tell you about.

If you are a small or mid-sized OEM, a startup developing a new product, an engineering firm sourcing prototype-to-low-volume runs, or a buyer with annual order volume below approximately 5 million RMB / ~700,000 USD — these companies are unlikely to take your project. Tier-1 suppliers of this caliber typically require:

• Annual purchase commitments in the millions of USD
• Multi-year contracts with locked forecasting
• IATF 16949 / VDA 6.3 customer audits as a precondition
• In-house engineering teams capable of co-development at OEM pace
• Dedicated tooling investment measured in hundreds of thousands of USD per program

For approximately 80% of global buyers — including many serious industrial customers — the right partner is not a gigacasting giant. It is a focused, mid-sized specialist with the right combination of capability, flexibility, and responsiveness.

Where Innovaw Fits In

Innovaw Mechanical Co., Ltd. is built specifically for this market segment. With over 20 years of focused experience in aluminium die-casting and CNC machining for custom aluminum die casting components, IATF 16949 certification, and a customer base spanning automotive, marine, LED lighting, medical, and industrial equipment, Innovaw serves the buyers the Top 10 cannot economically support:

• Flexible MOQ — supporting low volume aluminum die casting service from prototypes to mid-volume mass production
• Fast turnaround — engineering-to-engineering communication, not account managers gating access
• Full process control — high-pressure, low-pressure, and gravity casting + in-house CNC machining + surface finishing under one roof
• OEM-grade quality systems — APQP, PPAP, 8D, VDA 6.3, dimensional inspection — without OEM-scale minimums

If you've reached out to companies on the Top 10 list and been told "your volume is too small," or if you simply want a partner who treats your project as important rather than peripheral, contact Innovaw for a tailored quote.

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How to Choose the Right Aluminium Die-Casting Partner — A Decision Framework

Use this matrix to identify which type of supplier matches your project profile. There is no single "best" supplier — there is only the best fit for your specific volume, complexity, and timeline.

Not sure where your project falls? The key variables are annual piece volume, part complexity, and whether you need co-development engineering support — a conversation with the right supplier's technical team usually clarifies fit within one exchange.

Why Are Chinese Aluminium Die-Casting Manufacturers So Globally Competitive?

China's leadership in aluminium die-casting is not accidental. Three structural advantages compound over time.

1. Complete supply-chain density. From bauxite refining to alloy ingot production to finished casting and surface finishing, every stage of the value chain operates within China — often within the same industrial cluster (Ningbo-Zhejiang, Foshan-Guangdong, Yangzhou-Jiangsu). This compresses lead times and costs in ways isolated foundries elsewhere cannot match.

2. Capital intensity meets engineering depth. China hosts the world's largest fleet of ultra-large die-casting cells (6,000T+), with the global record-holding 16,000T machine operated by Guangdong Hongtu. Behind these machines are tens of thousands of die-casting engineers — a talent pool unmatched anywhere globally.

3. NEV demand pull. The integrated gigacasting revolution — pioneered by Tesla, scaled by Chinese NEV brands — has driven aluminium die-casting capability forward by a decade in just five years. Companies that supply this market are now exporting that capability worldwide.

2026 Outlook for China's Aluminium Die-Casting Market

Industry outlooks indicate steady growth driven by the following trends.

• Continued NEV penetration — every BEV/PHEV uses 30–50% more aluminium die-castings than a comparable ICE vehicle.
• Gigacasting standardization — what was novel in 2022 is becoming mainstream by 2026.
• Robotics & low-altitude economy — humanoid robots, eVTOL aircraft, and drones are emerging demand vectors.
• Lightweighting beyond automotive — energy storage systems, 5G/6G infrastructure, and consumer electronics are increasing aluminium and magnesium alloy adoption.

Headwinds include rising raw material costs, intensifying domestic price competition (compressing margins as seen in several 2025 reports), and trade-policy volatility affecting overseas expansion.

Pricing Reference for Aluminium Die-Casting in China

Pricing varies widely by part complexity, alloy grade, volume, and finishing requirements. Indicative ranges:

• Basic components (small/medium, standard alloy, simple geometry): USD 3–10 per piece in production volumes
• Complex or large parts (tight tolerance, secondary machining): USD 15–50 per piece
• Surface treatment (anodizing, powder coating, plating): adds 10–30% to base cost
• Tooling (one-time): USD 5,000–80,000+ depending on size and complexity

Final pricing depends on:

• Alloy grade (ADC12, A380, A356, etc.) and tolerance requirements
• Mold design and total production volume (per-piece cost drops sharply at scale)
• Required secondary processes (CNC machining, drilling, threading, surface finishing)
• Packaging, logistics, and Incoterms

For an accurate quote, always provide manufacturers with detailed 3D CAD drawings, tolerance specs, surface finish requirements, and target annual volumes.

FAQs about Chinese Aluminium Die-Casting Manufacturers

Q1. Why source aluminium die-casting from China rather than Vietnam, Mexico, or Eastern Europe?

The honest answer: it depends on your priorities. China still leads on supply-chain density, engineering depth, and high-end gigacasting capability. Vietnam and Mexico are catching up on cost and tariff considerations but lack the same component-engineering ecosystem. Eastern Europe excels in proximity to European OEMs but at higher unit costs. For complex, engineering-intensive aluminium die-castings, China remains the global benchmark in 2026.

Q2. How do I verify a Chinese die-casting supplier is legitimate?

Beyond ISO/IATF certifications (which are necessary but not sufficient), verify: stock listing or business registration (for listed companies, financials are public); specific customer references (and call those references); on-site or video factory audit; and sample tooling and PPAP submission before placing volume orders.

Q3. Are aluminium die-casting parts customizable?

Yes — virtually all serious manufacturers offer custom design support, including 3D modeling, mold-flow simulation, alloy selection, tolerance optimization, and surface finishing.

Q4. Can I order in small or large volumes?

The Top 10 listed in this article generally focus on volumes above ~50,000–100,000 pieces/year per program. For smaller volumes (below 10,000 pieces/year, prototype runs, low-volume OEM work), specialist mid-size manufacturers — including Innovaw — are typically a better fit.

Q5. How long does production take?

• Tooling design and fabrication: 4–8 weeks
• First-article (T1 sample): 1–2 weeks after tooling
• PPAP approval: 2–4 weeks
• Mass production: variable — typical lead time 4–6 weeks per batch

Q6. Are these products compliant with international standards?

Reputable suppliers — including all on this list — are certified to ISO 9001, IATF 16949 (automotive), and where applicable VDA 6.3 (German automotive) or AS9100 (aerospace). Always confirm specific compliance for your end-market regulations (REACH, RoHS, FDA for medical, etc.).

Q7. Can I export aluminium die-casting parts from China?

Yes — all manufacturers in this list have substantial export experience and are familiar with FOB, CIF, DDP Incoterms, customs documentation, and regulatory packaging.

Conclusion

China's top aluminium die-casting companies have become the engineering and production backbone of the global automotive, electronics, and industrial manufacturing supply chain. The Top 10 ranked here — verified through 2025 annual report data — set the technological frontier with gigacasting, magnesium lightweighting, and amorphous-alloy innovation.

But the right supplier for your business is not always the largest one. Match your supplier to your project profile: scale, complexity, volume, and engineering needs.

For volumes and project profiles that align with the Top 10's economics, those companies represent world-class options. For everyone else — and that's most global buyers — a focused, flexible, mid-size specialist like Innovaw Mechanical delivers OEM-grade quality without OEM-scale minimums.

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This article was researched and compiled by the Innovaw editorial team using publicly disclosed 2025 financial data from the Shanghai Stock Exchange, Shenzhen Stock Exchange, and CNINFO. For corrections, source clarifications, or questions about methodology, please contact us.