WSV is a Chinese leading company specialized in producing special material valves. The main products are titanium & titanium alloy series valves, nickel & nickel alloy series valves (hastelloy, Monel, inconel, incoloy), zirconium series valves and duplex steel series valves etc. Our valves are delivered worldwide to the petro-chemical industry, pharmaceutical industry, oil production, offshore and onshore, oil refineries, gas storage, power generation and other industrial processes.