Is a professional research, development, production and sales joint venture of the valve, the adoption of the current international and domestic Japanese Kai Temu Zigong valves and other advanced technologies, in strict accordance with national standards and industry standards GB and ANSI, API, DIN, JIS, ISO and other international standards in manufacturing all kinds of steel ball valve, the main products are tops eccentric half ball valve, eccentric half ball, V-shaped valve, metal seal valve, high temperature and pressure valve , water ball, to obtain a series of national patents, the valve diameter to 160mm (64in), the pressure to 42.0Mpa (2500Lb), temperature range of -196