Henan gyeongda water supply materials ltd. Is registered in sector 237 of the fire resilient materials industrial park in the city of zhengzhou, henan province, 500 metres north of the farm entrance, registered as the market supervision authority of the city of zheng yi, with legal representation from wang xiaoyang, for the purposes of research and development, production: plumbing equipment and accessories; sales: plumbing equipment and accessories, water purification materials, fire-resistant materials, rubber products, construction materials (without dangerous chemicals), mechanical equipment, chemical products (without dangerous chemicals), cable cables, mechanical equipment, boiler parts; plumbing equipment repair and technical services; and import and export of goods or technology (except for goods and technologies which are prohibited by the state or involve administrative approval)。