Top 7 China Die Casting Companies 2025
China is the world's largest die casting nation, accounting for over 45% of global die casting production. The industry, valued at approximately CNY 190 billion, primarily serves the automotive (powertrain and structural components), consumer electronics (housings and heat sinks), and telecommunications (5G base station enclosures) sectors. The shift to electric vehicles has accelerated demand for lightweight aluminum structural castings, while new mega-tonnage die casting machines from LK Technology and Haitian are enabling ultra-large integrated castings.
Wencan Group (Dongguan Wencan)
CNY 5.8B revenue
Wencan is China's largest automotive die casting company, supplying aluminum transmission housings, engine blocks, and EV structural components to Tesla, BMW Brilliance, and Chinese OEMs.
Wah Yiant (Guangdong Hongtu)
CNY 4.2B revenue
Hongtu specializes in large aluminum die castings for 5G communication base stations and automotive. Their散热底座 for Huawei 5G AAU are widely deployed in China's 5G network rollout.
DGS Diecasting (Chongqing DGS)
CNY 3.6B revenue
DGS produces precision aluminum die castings for automotive powertrain and EV battery housings. Their V6 engine block castings supply Changan Ford and Changan Automobile joint ventures.
Shiloh Industries (China)
CNY 2.9B revenue
Shiloh's China operations focus on structural aluminum die castings for EV body-in-white applications. Their gigacasting-compatible process capabilities serve XPeng and Li Auto.
IKD (Shanghai) Casting
CNY 2.4B revenue
IKD Shanghai produces zinc and magnesium die castings for consumer electronics, power tools, and automotive lighting. Their ultra-thin magnesium alloy housings serve Lenovo and Xiaomi laptop programs.
Ningbo Xusheng Auto Parts
CNY 1.8B revenue
Xusheng specializes in aluminum high-pressure die castings for automotive LED headlamp housings, heat sinks, and EMI shielding enclosures. They are a key supplier to Geely and Chery.
Shenzhen Everwin Precision
CNY 3.1B revenue
Everwin produces aluminum and zinc die castings for consumer electronics and smart home devices. Their precision micro-die castings serve Huawei, DJI, and Ecovacs robots.
Comparison Table
| Company | HQ | Key Products | Focus |
|---|---|---|---|
| Wencan Group | Dongguan | Auto Al Castings | Auto Powertrain/EV |
| Wah Yiant | Foshan | 5G/Auto Castings | Telecom/Auto |
| DGS Diecasting | Chongqing | Engine Block Castings | Auto Powertrain |
| Shiloh China | Suzhou | EV Structural | EV Body |
| IKD Shanghai | Shanghai | Mg/Zn Castings | Electronics |
| Ningbo Xusheng | Ningbo | Lighting Castings | Auto Lighting |
| Everwin Precision | Shenzhen | Micro Die Castings | Consumer Electronics |
Frequently Asked Questions
How large is China's die casting industry?
China's die casting industry produces over 13 million tons of castings annually, accounting for 45% of global output. The market reached CNY 190 billion in 2024, with automotive applications representing approximately 55% of total demand.
What is the impact of EVs on China's die casting sector?
The shift to EVs has dramatically increased demand for large structural aluminum die castings used in battery packs and body structures. Mega-tonnage die casting machines (6000T+) from LK Technology and Haitian are enabling single-piece integrated castings that replace dozens of welded components.
Which die casting companies serve China's 5G rollout?
Wah Yiant (Hongtu) and Wencan Group are the primary suppliers of aluminum die cast heat dissipation components for 5G base stations. Their large-format散热底座 and housing castings are deployed across China's 5G AAU and BBU installations.
What materials are most commonly used in Chinese die casting?
Aluminum alloys (ADC12, A380, A356) account for approximately 70% of die casting output by weight, driven by automotive lightweighting. Zinc alloys (ZA-3, Zamak 3) represent 20% for electronics, while magnesium alloys make up 10% for thin-wall consumer electronics.
What is the outlook for mega-tonnage die casting machines in China?
China leads the world in mega-tonnage die casting machine development, with LK Technology's 9000T and Haitian's 7200T machines enabling single-piece integrated castings for EV structures. These machines reduce manufacturing steps by 70% and are being adopted by Tesla China, XPeng, and Li Auto for gigacasting production lines.