Sentoc Technology Co.,Ltd (Sentoc) is one of the leading manufacturer of solar hot water systems and photovoltaic system in China and around the world. With many years' experiences and Research, Sentoc team has developed different kinds of solar collectors for different working temperature and circumstance. The solar thermal products including Vacuum tubes, Flat panel collector(High /low temperature), U pipe and Heat pipe collector, Linear concentrating collector, Steam Collector, Solar Water Heater and commercial system. The solar photovoltaic products including solar panels, solar lamps, power generating system and solar pumps. Sentoc automatic production line and strict quality management system can supply you high quality & long working life products.