Haining city Shangjin solar collector tube Co., Ltd. is a manufacturing factory major in producing solar vacuum tube, solar heater, which is established in 2008 and located in haining, zhejiang, China. Shangjin is covering about 5, 000 square meters and invest about 1 million yuan. The company through the national CCC mandatory certification, QS-9000, TL 9000 and ISO9001-2008 quality management system certification and by Alibaba to further develops foreign trade market.