Roc-Master is a professional manufacturer of forged flanges and fasteners, as well as one station package supplier for most industrial piping materials. We have two production bases covering a total area around 33,600 m2 and more than 200 employees. Local sales offices locate in Beijing, Nanjing, Chengdu, Huiyang and Qingdao service station. Oversea agents in Saudi Arabia, South-East Asia (Malaysia), UK, France and Oman are helping us to sell our quality products worldwide. Our products mainly used in Oil & Gas, Offshore platform, FPSO, Petrol Chemical, Long distance pipeline, Sea water...