Hangzhou Jianjia Medical Technology Co., Ltd. is a high-tech enterprise focusing on the R&D, production and sales of surgical robots and related products. It is committed to building a technologically advanced surgical robot platform and providing hospitals with high-precision and intelligent surgical solutions. The company's main product, the ARTHROBOT hip replacement surgery robot, was included in the special review process for innovative medical devices in February 2021, and became the first domestic hip replacement surgery robot to obtain a Class III medical device registration certificate in April 2022. The company's ARTHROBOT knee replacement surgery robot will obtain the third class medical device registration certificate in January 2023. ARTHROBOT series products can be used in hip and knee replacement surgery at the same time, breaking the long-term monopoly of imported joint replacement surgery robots in this field.