A pioneer in investment casting, for orthopedic implants in China. A pioneer in investment casting, for orthopedic implants in China.
A pioneer in investment casting, for orthopedic implants in China.

High-quality orthopedic implant castings, for the global orthopedic industry. High-quality orthopedic implant castings, for the global orthopedic industry.
High-quality orthopedic implant castings, for the global orthopedic industry.

Over 7 million, orthopedic implant castings delivered to date. Over 7 million, orthopedic implant castings delivered to date.
Over 7 million, orthopedic implant castings delivered to date.

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Years of Implant Casting
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Customers Served
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Annual Production Capacity
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Implant Castings Delivered
Chcasting wuxi
About Us
A Leading Supplier of
Orthopedic Implant Castings in China

Founded in 1993 in Baijiatuan, Haidian District, Beijing, Changhang has specialized in developing and manufacturing investment castings for joint replacement implants since 1995.

For more than 30 years, we have been a key supplier to China's orthopedic industry. We have delivered over 7 million cobalt-chromium-molybdenum (CoCrMo) implant castings and built long-term strategic partnerships with leading joint replacement implant manufacturers worldwide.

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Product Center
Orthopedic Implant Castings

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Orthopedic Implant Castings
Other Investment Castings

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Other Investment Castings
Product Application
Medical Aerospace Rail

Medical Applications

Since 1995, we have specialized in investment casting for joint replacement implants, delivering 7.2 million orthopedic implant castings to date. We maintain strict controls throughout the CoCrMo casting process to ensure consistent performance and quality in every part, serving medical device manufacturers worldwide.

Industrial Applications

We develop and manufacture alloy investment castings for industrial manufacturers. Our capabilities include heat-resistant,and corrosion-resistant parts,as well as components with complex internal cavities and flow channels.

Transportation Applications

With R&D and production capabilities for small to medium-sized alloy castings such as impellers and blades, we serve a wide range of transportation equipment manufacturers.

Investment Casting Process
Process Design
01
Process Design
Die Manufacturing
02
Die Manufacturing
Wax Pattern Production
03
Wax Pattern Production
Wax Pattern Assembly
04
Wax Pattern Assembly
Shell Building
05
Shell Building
Dewaxing
06
Dewaxing
Shell Firing
07
Shell Firing
Pouring
08
Pouring
Cleaning & Finishing
09
Cleaning & Finishing
Heat Treatment
10
Heat Treatment
Inspection
11
Inspection
Finished Castings
12
Finished Castings
Process Design Mold Manufacturing Wax Pattern Fabrication Module Assembly Shell Fabrication Module Dewaxing Shell Firing Casting Cleaning & Finishing Heat Treatment Inspection Finished Castings
Honors & Certifications
Honors
Certifications
Core Strengths
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With 33 years of experience, we continue to improve our technology and quality management systems.
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Track Record,Over 7 million orthopedic implant castings delivered to date.
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Seasoned experts and a stable team of skilled technicians.
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Two production facilities in Beijing and Wuxi give customers greater flexibility.
A Selection of Our Customers
瑞鹤医疔
医佳宝
大博医疗
ZIMMER BIOMET
宽岳骨科
smith&nephew
爱康
力达康
trauson
迈瑞
CHUNLI
MONTAGNE