Haining Ousikai Industry&Trade Co., Ltd. (Haining Dingxin solar technology Co., Ltd.) is a company integrating the research and development, manufacturing, sales, and service of solar products. Established in 2009, the company regards superior quality as the source of vitality. Our main products are solar water heaters and solar vacuum tubes, which are highly recommendable for environmental protection. Ousikai has modernized our production equipment, enhanced production technology and ...   |