Group 1 - The National Medical Products Administration (NMPA) announced the cancellation of medical device registration certificates for 20 products from 11 companies, following the Medical Device Supervision and Administration Regulations [1] - Among the canceled products are two from Shenzhen Maiketian Life Science Co., Ltd.: the coronary balloon dilation catheter (registration number: Guo Xie Zhu Zheng 20223030549) and the non-compliant coronary balloon dilation catheter (registration number: Guo Xie Zhu Zheng 20223030559) [1]