China-Ameirica-cooperated Wuhu Snnda Medical Treatment Appliance Technology Co.,Ltd. is a cooperatively managed enterprise which manufactures Class&＃8545;medical device in accordance with the level of medical products classification, and the devices are made of polymeric medical material supplied by the American Snnda Medical Appliances & Instruments International Science and Technology (Group) Co, Ltd. Wuhu Snnda Medical Treatment Appliance Technology Appliance Technology Co., Ltd., founded in June, 2006, lies in the Wuhu State-level Economic & Technology Development Zone. The leading product of ShangRing, disposable minimally invasive circumcision anastomosis device, is the invention of the broad chairman Mr. Shang Jianzhong himself in 2002 and enjoys global patent protection and exclusive intellectual property.