On December 5th, Gelonghui reported that ningbo david medical device (300314.SZ) announced that its wholly-owned subsidiary Ningbo Weier Kaidi Medical Instruments Co., Ltd. recently received a "Medical Device Registration Certificate" issued by the Zhejiang Provincial Drug Administration. Product Name: Disposable Laparoscopic Trocar Set. The disposable laparoscopic trocar set includes several different sizes of trocars, which can meet the needs for multiple different sizes of trocars in various laparoscopic surgeries, while ensuring that medical instruments of different sizes can enter the abdomen and operate through the working channel established by the trocar, making it easier for the surgeon to use. This product can be widely used in departments such as obstetrics and gynecology, general surgery, hepatobiliary surgery, gastrointestinal surgery, and urology, and has good application prospects.