Collector shell is made of marine-grade aluminum-magnesium alloy, beautiful and durable rigidity. Hot water system can only control, solar hot water, and a variety of protection, Shandong solar hot water project, the use of safe and convenient. Water tank: imported high quality USU304-2B food grade stainless steel panels, solar hot water engineering firms, non-toxic and tasteless, to ensure quality and safety, no pollution. Solar hot water project | Yi Gang, Qingdao | Shandong solar hot water provided by solar energy, Ltd. Qingdao Yi Gang. Solar hot water project | Qingdao Yi Gang | solar hot water project in Qingdao, Shandong Yi Gang Solar Limited (www.gangyisolar.com) this year introduced a new upgrade, the above picture is for reference only, please call the contact or pictures on this page phone, for the latest information, contact: Du Jingli.