Changzhou Obuy Solar Technology Co., Ltd is a hi-tech enterprise which specializes in the research , sales and application of solar energy manufacture water heaters. We have branch plants tank, stands, vacuum tube, flat plate collector. Besides ,we also first level production lines rich ...

Chongqing Gold Mechanical & Electrical Equipment Co., Ltd. is one of the leading manufacturers in China geophysical instruments. Since its foundation, our factory has a group highly qualified technical personnel specialized development and well-trained workers, with advanced machinery ...