continuously iterating technology and quality systems
Founded in 1993 in Baijiatan, Haidian District, Beijing, the company began producing orthopedic implant castings in 1995 and has over 30 years of expertise in the field. It has grown into a leading supplier of implant castings in China. To date, Changhang has delivered over 7 million Co-Cr-Mo implant castings and is recognized as a long-term strategic partner by several global medical device companies.
Read MoreSpecializing in Co-Cr-Mo orthopedic implant castings for 30 years, with over 7 million delivered. A long-term strategic partner to global medical device leaders.
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Leveraging expertise in precision casting to supply complex structural and superalloy aerospace castings with strict quality control and reliable delivery.
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With biocompatible materials and precision casting processes, we provide safe and reliable casting solutions for orthopedic implants, surgical instruments, and rehabilitation equipment, meeting the strict requirements for material stability and biosafety in medical scenarios.
With high-strength, lightweight materials and precision casting technology, we deliver reliable structural components for aircraft and aerospace equipment, meeting the strict requirements for durability, temperature resistance, and performance in extreme aerospace environments.
With wear-resistant, high-toughness materials and precision casting processes, we provide stable and durable components for rail transit systems, meeting the strict requirements for load-bearing capacity, fatigue resistance, and long-term safety in high-frequency operation scenarios.
With corrosion-resistant, high-strength alloys and precision casting technology, we offer reliable components for marine and offshore equipment, meeting the strict requirements for seawater corrosion resistance, pressure resistance, and structural stability in harsh marine environments.
Over 30 years of deep dedication, continuously iterating technology and quality systems
Market leader with over 7 million castings delivered
Multi‑disciplinary expert advisors + skilled operator team











