About Us Founded in 2003, China Valve Gasket Bolt Nuts Co., Ltd. (valvegasketboltnuts.com ) has grown into a leading provider of fabrication solutions for industries including Oil & Gas, Petroleum, Marine, Oilfield, Mining, and Heavy Industry. With a strong focus on pipeline construction and maintenance, we are recognized as one of China’s premier valve manufacturers, offering a com... https://www.valvegasketboltnuts.com/