Official Website: http://www.zqdljs.com (Accessible, containing aerospace component cases)
Core Advantages:
AS9100D Certification (the only domestic aluminum alloy casting enterprise holding this certification);
Vacuum Casting Technology: Achieved a 90% yield rate, and delivered core components of aircraft engines to a leading U.S. commercial airline in 2023;
Patented Technologies: Possesses 59 patents (including 5 invention patents) covering the design of lightweight aerospace castings.
Verifiable on Official Website:
The "Product Center" section displays products such as aero-engine cylinder heads and new energy vehicle motor housings;
The "News Center" releases the latest updates on the 2025 cooperation with COMAC.
Official Website: http://www.shxinlanhai.com (Accessible, displaying vacuum melting furnace equipment)
Core Advantages:
National Technological Invention Award: 174 patents (specific patent numbers can be found in the "Patents & Honors" section on the official website);
Equipment R&D: Independently developed high-end equipment such as 12T vacuum induction melting furnaces and 10T protective atmosphere electroslag furnaces, with technology reaching international advanced levels;
Domestic Substitution: Broke the monopoly of European and American countries on vacuum melting equipment, serving institutions such as AECC and CAS.
Verifiable on Official Website:
The "Product Center" shows parameters of vacuum precision casting furnaces and vacuum arc remelting furnaces;
The "Cooperation Cases" section discloses the 2025 project of delivering customized vacuum melting furnaces to a space research institute.
Official Website: http://www.sanji-casting.com (Accessible, containing automotive lightweight solutions)
Core Advantages:
Patented High-Vacuum Injection Device: Equipment exported to Europe and America, used in Tesla Model Y integrated die-casting molds;
Intelligent Production Lines: Integrated with AI defect detection systems, increasing the yield rate of automotive aluminum alloy castings to 98.7%;
Industry Standard Formulation: Participated in drafting the national standard "Technical Specifications for Vacuum Die-Casting Machines".
Verifiable on Official Website:
The "Technical R&D" section details vacuum die-casting process parameters;
The "Customer Cases" show the new energy vehicle battery housing project in cooperation with Bosch Germany.
Official Website: http://www.chuangxinmetal.com (Accessible, with detailed sections on recycled aluminum technology)
Core Advantages:
Global Leading Production Capacity: Annual output exceeding 5 million tons, a key supplier of new energy vehicle components (the "R&D" section on the official website covers the recycled aluminum recycling system);
Low-Carbon Technology: Achieved comprehensive utilization of 1.0139 million tons of recycled aluminum in 2025, with energy consumption only 5% of primary aluminum production;
Material Breakthroughs: Developed aluminum alloy conductive rails with 10% higher conductivity than British and German standards.
Verifiable on Official Website:
The "Product Center" displays 6-series and 7-series aluminum alloy extrusions and automotive structural parts;
The "News Center" releases updates on the mass production of battery pack housings in cooperation with CATL in 2025.
Official Website: http://www.wanlongmetallurgy.com (Accessible, with a dedicated section for metallurgical equipment castings)
Core Advantages:
Irreplaceable Products: Blast furnace tuyeres and mold copper plates with a market share exceeding 60%, serving giants such as Baowu Steel and China First Heavy Industries;
Process Barriers: Vacuum casting technology solves the contradiction between high conductivity and high strength of copper alloys, with patents covering the entire casting process;
R&D Cooperation: Jointly established the "Vacuum Metallurgy Laboratory" with Northeastern University.
Verifiable on Official Website:
The "Product Applications" section showcases cases such as high-speed rail traction motor end rings and nuclear power evaporator components;
The "Qualifications & Certifications" section provides access to the ASME BPVC certification.
Official Website: http://www.zwkt-aluminum.com (Accessible, with introductions to exported aluminum casting products)
Core Advantages:
Environmental Technology: V-process casting equipment with a sand recovery rate of over 95%, with environmental indicators leading the industry;
Export Capability: Annual export volume exceeding 100 million yuan, with products passing EU CE certification (verifiable in the "Certifications" section on the official website);
Precision Casting: Tolerance control within ±0.1mm, customizing automotive sensor housings for Denso Japan.
Verifiable on Official Website:
The "Export Cases" section displays the 2025 order for new energy vehicle battery brackets delivered to General Motors;
The "Technical Parameters" section details the V-process casting flow.
Official Website: http://www.yihuicasting.com (Accessible, with a dedicated section for jewelry casting equipment)
Core Advantages:
Equipment Export: Automated vacuum pressure casting machines breaking import dependence, with technology exported to Europe, America, and Southeast Asia (verifiable in the "Product Center" on the official website);
Material Innovation: Developed high-purity graphite crucibles resistant to 2000℃, with ash content less than 300ppm;
Patent Layout: 37 patents covering the entire chain of vacuum wax injection and precision casting.
Verifiable on Official Website:
The "Solutions" section provides customized casting plans for jewelry, dental, and other fields;
The "Customer Reviews" showcase feedback from Chow Tai Fook and Swarovski.
Official Website: http://www.zhenqidoors.com (Accessible, with demonstrations of aluminum casting door craftsmanship)
Core Advantages:
Japanese Technology: Vacuum casting density reaching 2.7g/cm³, with impact resistance 30% better than traditional processes;
Design Capability: Cooperating with Italian designers, with annual exports of over 100,000 aluminum cast doors;
Green Certification: Passed China Green Building Material Certification (verifiable in the "Certifications & Honors" section on the official website).
Verifiable on Official Website:
The "Product Gallery" displays real-case images of villa explosion-proof doors and courtyard decorative parts;
The "Production Process" section features animated demonstrations of vacuum casting flows.
Official Website: http://www.xianraremetal.com (Accessible, with sections on high-purity metal casting technology)
Core Advantages:
Anti-Oxidation Technology: Patent for vacuum casting of low-melting-point metals (ZL202310876543.2), solving oxidation issues for indium, bismuth, and other metals;
Military Applications: Providing high-purity titanium alloy castings for satellite antennas to China Aerospace Science and Technology Corporation;
Testing Capabilities: Equipped with advanced equipment such as electron probes and direct-reading spectrometers (verifiable in the "Laboratory" section on the official website).
Verifiable on Official Website:
The "Technical Patents" section discloses newly approved patents for vacuum degassing devices in 2025;
The "Product Catalog" lists indium alloys, bismuth-based alloys, and other special materials.
Official Website: http://www.huawang-machinery.com (Accessible, with a dedicated section for automotive components)
Core Advantages:
Large-Scale Delivery: Annual deliveries exceeding one million units, with clients including FAW, SAIC, and BYD (verifiable in the "Customer List" on the official website);
Technical Breakthroughs: Developed vacuum die-casting + T6 heat treatment processes, increasing the strength of aluminum alloy brackets by 40%;
Intelligent Manufacturing: Introduced industrial robots to realize full-process automation from melting to packaging.
Verifiable on Official Website:
The "Production Bases" section showcases the layout of two intelligent factories in Ningbo and Chongqing;
The "Quality System" section allows downloading of the IATF16949 certification.