China 3-PC Ball Valve Butt Weld factory Our Product Ball valve Product Application Chemical pharmaceutical oil field micro-electronic control Pulp and paper power generation and power transmission, water and sewage treatment municipal construction brewing food processing beverage transport ship mining irrigation textile steel and air conditioning industries. Our Certificate ISO9001 Production Equipment CNC lathe Production Market Vietnam South Korea Iran Indonesia and so on.China 3-PC Ball Valve Butt Weld factory website:http://www.zjxhvalve.com/