Kol-sinner energy co. Ltd. Is an environmentally friendly industrial enterprise engaged in solar energy applications, development and research, production and marketing of products, and has developed, inter alia, solar water heaters and heating projects. The company's main products are two major series: "molit sun" and "three star hewlett-packard". Not only does the company have a highly qualified pool of skilled solar energy professionals, but it also uses international production techniques, produces detection equipment, and works extensively with research institutes to increase the technological content of its products. All solar water heaters produced by the company use advanced international german multi-targeting, composite plating, vacuum, high temperature, whole glass collector tube technology, more heating and more sustainable use (15 years). The company strictly implements the iso 9001 international quality management system (iqms), and the technical content of the product...