Established in March13, 2002, Shanghai Changhao High Pressure Pipe Fittings Co., Ltd. and Anhui Changhao High Pressure Pipefittings Co., Ltd. is a manufacturer and trader specialized in the research, development and production of insulation joints, insulating flanges, contain steel flanges, steel butt welding pipe fittings, forged pipe fittings, stainless steel pipe fittings and pipes. We are located in Shanghai and Anhui province China, with convenient transportation access. All of our products comply with international quality standards and are greatly appreciated in a variety of different markets throughout the world.