Shanghai Prosthetic Factory Co., Ltd. is a wholly-owned enterprise of Shanghai Civil Affairs (Group) Co., Ltd., which mainly produces and operates six series of products with nearly 1,000 varieties and specifications, such as prosthetic limbs, orthotics, pathological shoes, plastic and beauty products, assistive devices for the disabled and health care products for the elderly. Its Shuangjian brand prosthetic orthosis products enjoy a high reputation in the market.

Prosthetic prosthesis is a kind of artificial prosthesis specially designed, manufactured and assembled by means and methods of engineering technology to make up for the incomplete defects of amputees or limbs, also known as prosthesis.