With more and more serious enviromental pollution,the government lays doen a series of restriction policies in accordance with every city because of the traditional boilers' high energy consumption and many emissions polluting environment .Even more ,some cities have been seriously forbidden using the boilers.However ,so many collective bathrooms,hostels,mid and small hotels,enterprises and institutions need heating water to bathe.The SUNSTAR solar concentrative heat water supply system engineering is safe ,economic,un-pollution, automatical ,which uses  the sun as the main source of power .Its lifetime may be 15 years and has noticeable benefit of economic,environment,society. Now ,it has been used in many companies in some cities.