Shanghai Yumkin is a subsidiary of Zhejiang Yusheng Medical Instrument Co., Ltd in Shanghai, which is the main foreign trade window of Yusheng. Zhejiang Yusheng Medical Instrument Co., Ltd is entitled to be the vice president of Medical Polymer Products Branch Association of CAMDI, together with 38 patents and possesses more than 3 million assets. The company has got such quality system certification as ISO9001 and ISO13485 of CMD, EC Directive 93/42/EEC of Europe Quality Assurance System ...