Hengtong Valve Co., Ltd. Was initially founded in 1988, which is a large-scale private enterprise integrated with smelting, casting and processing, assembly and paint-spraying. The company has CNC machining center, CNC machine tool, valve dedicated drilling and milling equipment, and so on. It has perfect test equipment from raw material to finished products. Based on the study of national import product mix, combined with China's national conditions and the actual working conditions, to learn foreign valve characteristics, through years of continuous improvement, the company successfully developed and produced a variety of new products. In strict accordance with domestic and foreign advanced standard to design and testing. The company specialized in producing gate valve, butterfly valve, globe valve, check valve, ball valve, strainer, and so on. It covers over 30 series, there are DIN, BS and GOST and other different standard, more than 600 specifications. They are widely used in petroleum, chemical, power, construction, medicine, water supply and drainage.