To strengthen the supervision and guidance over medical device registration, and further improve the quality of registration review, NMPA organized to formulate and released on June 5, 2020 the Technical Review Guidance for the Registration of Tendon and Ligament Fixation Systems, Technical Review Guidance for the Registration of 3D Printed Acetabular Cups, Technical Review Guidance for the Registration of 3D Printed Artificial Vertebral Body, Technical Review Guidance for the Registration of Facial Implant Prostheses for Plastic Surgery, and Technical Review Guidance for the Registration of Total Knee Prosthesis Systems.