Qingdao Gang Yi Solar Energy Co., Ltd. was founded in 1990 and is a professional company engaged in solar energy water heater, solar energy water engineering, solar energy lighting and light energy generating electricity equipment research, production and sale. We have advanced production equipment, professional technology and healthy process and sales service systems. Our solar energy products feature new structure, engineering design, high efficiency, energy saving, safety and environmental protection. We have some advantages such as widespread application, automatic operation and long lifespan. Our products are welcomed by schools, guesthouses, bath centers, breed trade, mining, land agents and common people. Qingdao Gang Yi Solar Energy Co., Ltd. pays attention to product quality and was the earlier one fully passing ISO9001 international quality system certificate. Our company