1, Shanghai Sigma High Technology Co., Ltd. is a domestic medical instrument company specializing in the development and production of phototherapy products. And Jiangsu Sigma Medical Technology Co., Ltd. is Shanghai Sigma High-Tech Co., Ltd. wholly-owned production base.
2, Shanghai Sigma Hi-Tech Co., Ltd. research and development and production of SQ308LED UV phototherapy instrument has obtained the State Drug Administration's marketing authorization, and in the subsequent clinical application of the recognition of various medical institutions. Jiangsu Sigma Medical Technology Co., Ltd. is not technically as authoritative as the one produced in Shanghai. Soo Shanghai's good.