Are you looking for reliable aluminium low pressure die casting (LPDC) manufacturers in China? Wondering which companies offer high precision, consistent quality, and efficient production? Curious about which suppliers can handle complex designs and full-process services from casting to CNC machining?
In this article, we explore the top 10 aluminium low pressure die casting manufacturers in China, highlighting their core strengths, capabilities, and services. You will learn which companies specialize in low pressure die casting, gravity casting, precision machining, surface finishing, and OEM/ODM support. This guide helps you quickly identify the best partners for automotive, industrial, lighting, and electronics applications.
We focus on leading Chinese manufacturers and their proven expertise in aluminium low pressure die casting, showing how they combine technology, quality control, and engineering support. Keep reading to discover the top factories and find the right partner for your next project.
| Rank | Brand/Company Name | Headquarters Location | Core Products & Services |
|---|---|---|---|
| 1. | CITIC Dicastal | Qinhuangdao, Hebei | World’s largest LPDC aluminum wheels & chassis components |
| 2. | Dongrun Casting Industry Co., Ltd. | Ningbo, Zhejiang | Complex thin-wall LPDC parts up to 50kg, automotive & industrial |
| 3. | Qinhuangdao Zhongwei Precision Machinery Co., Ltd. | Qinhuangdao, Hebei | 25+ years LPDC expertise, A356 high-performance alloys |
| 4. | Dolin Aluminum Casting | Ningbo, Zhejiang | Large LPDC parts up to 100kg, EV & machinery components |
| 5. | Cangzhou Weiheng Metal Products Co., Ltd. | Cangzhou, Hebei | 0.01–100kg LPDC parts, lighting & mechanical components |
| 6. | CFS Foundry | Ningbo, Zhejiang | Ultra-low porosity LPDC, tolerance ±0.04mm, heat-treatable |
| 7. | Sunrise Metal | Ningbo, Zhejiang | Precision LPDC for EV battery packs & motor housings |
| 8. | EMP Tech Co., Ltd. | Zhaoqing, Guangdong | NEV integrated structural parts via advanced LPDC |
| 9. | Chongqing Dajiang Millison Die Casting Co., Ltd. | Chongqing | Large-scale LPDC for telecom & automotive structures |
| 10. | Innovaw Mechanical | Ningbo， Zhejiang | Full-service Die Casting & CNC Machining; Automotive, Industrial, and Custom Precision Parts |
Introduction:
Founded in 1988, CITIC Dicastal is the world's largest producer and exporter of aluminum alloy wheels, headquartered in Qinhuangdao, Hebei. The company's dominance in the market is driven by its mastery of Low Pressure Die Casting (LPDC), which ensures high internal homogeneity, minimal porosity, and precise dimensional stability crucial for automotive safety and performance.
Beyond wheels, Dicastal applies LPDC expertise to manufacture complex chassis components like steering knuckles and control arms, where material integrity is paramount. With 21 facilities across China, North America, and Europe, employing over 6,400 staff, Dicastal operates highly automated production lines and advanced mold design capabilities. Its annual capacity exceeds 48 million wheels and 97,800 tons of aluminum castings, serving clients like Mercedes-Benz, BMW, and Volkswagen.
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Introduction:
Established in 1995 and headquartered in Ningbo, Zhejiang, Dongrun Casting is a leading specialist in aluminium Low Pressure Die Casting with over 28 years of experience. Operating a modern 21,000 m² IATF 16949-certified facility, Dongrun excels in producing thin-walled, complex castings up to 50 kg with porosity consistently below 0.5 %. Advanced MAGMA flow simulation and fully automated LPDC cells ensure superior mechanical properties and minimal secondary machining requirements.
The company serves demanding European and North American clients in automotive, marine, and industrial sectors, offering true one-stop solutions from rapid prototyping to high-volume serial production. With annual exports exceeding USD 15 million, Dongrun has earned a reputation for reliability, precision, and cost competitiveness.
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Introduction:
Founded in 1997 in Qinhuangdao, Hebei, Zhongwei Precision Machinery has become a trusted name in high-performance Low Pressure Die Casting and metal injection molding. With more than 25 years focused on A356/A357 alloys, Zhongwei produces safety-critical components with exceptional density, ultra-low gas porosity, and superior fatigue resistance — ideal for automotive, aerospace, and defense applications.
Equipped with state-of-the-art LPDC systems, in-house heat treatment (T6), and advanced NDT (X-ray, ultrasonic, dye penetrant), Zhongwei guarantees full traceability and zero-defect delivery from prototype to mass production.
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Introduction:
Since 1998, Dolin Aluminum Casting in Ningbo has established itself as one of China’s most capable Low Pressure Die Casting foundries, specializing in large and complex parts up to 100 kg. Equipped with ten fully automated LPDC machines and a dedicated machining workshop, Dolin delivers high-integrity, heat-treatable castings for electric vehicle battery trays, motor housings, and heavy industrial equipment.
ISO 9001 and IATF 16949 certified, Dolin provides seamless end-to-end service from 3D mold design and casting simulation to CNC machining, impregnation, and helium leak testing — making it a preferred partner for global new-energy and machinery OEMs.
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Introduction:
Established in 2000 in Cangzhou, Hebei, Weiheng Metal is a highly flexible manufacturer excelling in Low Pressure Die Casting for parts ranging from 10 g to 100 kg. Known for outstanding cost-performance ratio, Weiheng produces components with excellent metallurgical quality and minimal need for secondary machining — perfect for lighting, telecom, and general machinery applications.
With in-house pattern making, automated LPDC lines, and complete finishing capabilities, Weiheng offers rapid tooling and short lead times while maintaining ISO 9001 and IATF 16949 standards, serving both domestic Tier-1 suppliers and international buyers.
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Introduction:
Founded in 1998 in Ningbo, CFS Foundry is a premier aluminium casting specialist renowned for ultra-low porosity Low Pressure Die Casting. Regularly achieving porosity below 0.5 % and tolerances down to ±0.04 mm, CFS produces heat-treatable components that meet the most stringent aerospace, automotive, and new-energy requirements.
With advanced filling & solidification simulation, automated LPDC cells, and comprehensive in-house CNC machining and surface finishing, CFS delivers fully finished, ready-to-assemble parts to clients in Europe, North America, and Australia.
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Introduction:
Established in 2010 in Ningbo, Sunrise Metal is a fast-growing precision manufacturing group dedicated to one-stop aluminium solutions for new energy vehicles and high-end electronics. Specializing in Low Pressure Die Casting for low-to-medium volumes, Sunrise produces lightweight, multifunctional structural parts with superior flow characteristics and zero inclusions.
Two dedicated facilities (total 40,000 m²) equipped with the latest LPDC machines, 5-axis CNC centers, and clean assembly rooms enable Sunrise to deliver complete battery pack housings, motor casings, and thermal management components to global EV and electronics leaders.
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Introduction:
Founded in 1999 in Zhaoqing, Guangdong, EMP Tech is a high-end die casting specialist focused on lightweight integrated structures for new energy vehicles. Using advanced Low Pressure Die Casting, EMP produces large, multifunctional components with high strength-to-weight ratios and minimal emissions impact — critical for battery electric and hybrid platforms.
With 500+ employees, multiple 800–3500T LPDC machines, and full in-house machining and coating lines, EMP supplies Tier-1 automotive groups worldwide, consistently meeting the most demanding porosity and mechanical property requirements.
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Introduction:
Founded in 2001 and listed on the STAR Market (stock code: 301307), Chongqing Dajiang Millison is one of China’s largest and most advanced precision die casting groups. Operating four major plants and employing over 2,000 people, Millison excels in Low Pressure Die Casting for large telecom, automotive, and energy-storage structural components using low-carbon aluminium alloys.
Fully automated LPDC lines, intelligent manufacturing systems, and green-factory certification enable Millison to supply global Fortune 500 clients with components that combine exceptional size, strength, and sustainability.
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Introduction:
Innovaw Mechanical is a specialized manufacturer focusing on both advanced die casting and precision CNC machining, offering a seamless production process from mold development to final product delivery. The company provides high-integrity aluminum components for a wide range of industries, including electric vehicles (EVs), industrial machinery, and complex electronic enclosures. Their core competency lies in handling components requiring superior surface finish and tight tolerances.
The company leverages Low Pressure Die Casting (LPDC) for structural parts that require low porosity and can undergo subsequent heat treatment, ensuring high mechanical strength and reliability. By integrating casting with high-precision multi-axis CNC machining in-house, Innovaw Mechanical offers global clients efficient, one-stop sourcing for ready-to-assemble precision aluminum parts.
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China remains the global leader in aluminium low pressure die casting. The top 10 manufacturers listed above represent the perfect combination of scale, technology, quality systems, and cost competitiveness that international buyers seek in 2025. From the world’s largest wheel producer CITIC Dicastal to precision EV specialists like Sunrise Metal and EMP Tech, these factories can meet the most demanding requirements for porosity, mechanical properties, and delivery performance.
