German-style clamps, clamp classification, clamp price Cangzhou Hongyuan Pipe Co., Ltd. is a steel sales and pipe fittings as one large comprehensive enterprise. The company is located in China pipeline equipment industry Creator - Hebei Yanshan. East of Huanghua Bohai Sea, north of Beijing and Tianjin, superior environment and convenient transportation. Specializing in the production of the U.S. Department of flange, PN2.0 flange, PN15.0 flange PN11.0 flange groove fittings connection technology, also known as clamp connection technology, has become the most important technology of liquid, gas pipe connection, the development time of this technology in the country later than other countries, but because of its advanced technology, and soon received the domestic market. German-style clamps, spring fittings, grooved fittings, American clamp Groove Tube connection technology, so that the the complex piping connection process easy, fast and convenient. The pipe connection technology is a major step forward.