Shanghai Jingke Scientific Instrument Co., Ltd. is an integrated high and new technology enterprise engaged in the research development, manufacture, sale service of laboratory equipment. In cooperation with many domestic enterprises, our company ...

Established in 2003,ZHONG SHAN OPTEN ELECTRICAL APPLIANCE CO.,LTD is professional manufacturer of Electric Water Heater, Boiler,Water Circulation warm mattress and Air pressure switch . We are Located NO 20, Dong Fu Road Sha Town Zhong Shan City Guang ...