Zhejiang Haoguang Solar Energy Industrial Co., Ltd. is specialized in the production of all-glass vacuum collector tubes, solar water heater and solar collector.We own 6 fully automatic production lines of vacuum coating which withfull use of laser marking anti-counterfeit technology and 1 automatica production line of solar water heater. Our annual yield reaches 6,000,000 pieces vacuum tubes and 2000,000 units solar water heaters. Our company is located in Haining City, Zhejiang Province. ...