Fa hua Zhen Rd, Shanghai, China

Shanghai Karoth Import & Export Corp., Ltd. is a specialized import & export company, which export various kind of testing equipment, especially used in the power company such as Trans...

Other, China

Beijing 7-Star Optical Instruments Co., Ltd established on 2004, is dedicated to providing electric-optic products for R&D and manufacturer. Products are mainly applied in Photovoltaic new ene...