Qinhuangdao Tongrong Heavy Industry Co., Ltd is a high-tech enterprise which specialize in the photoelectric equipment production of new green energy-conserved and low-carbon enviromental energy--solar energy. With fully utilization of the advanced technology from home and abroad, our company is an all-round enterprise that gathered independent research, design, manufacture, market, installation and after market service as a whole, and we strive to creat a first-rate production of solar photovaltaic equipment. The main products of the company are solar battery module laminator, solar module tester, solar cell sorting machine and its auxiliary automatic transportation equipment.