Hongyuan long-term supply flanges: ring groove flange and flange cover large diameter flat flange. Hongyuan long-term supply flange: plate flat welding flange, with the neck flat welding flange (Contact: Feng Hongmei Contact: 15932713817, E-mail: 1763757819@qq.com Website: http://www.czhypipe.com/ ) Cangzhou Hongyuan Pipe Co., Ltd. is the sales of a steel and pipe fittings as one large integrated enterprise. The company is located in China pipe equipment industry Creator - Hebei Yanshan. East of Huanghua Bohai Sea, north of Beijing and Tianjin, superior environment and convenient transportation. The company mainly engaged in a variety of materials pipe: 304,304 L, 316,316 L, 321,310 S ,18-8, 16Mn, 20 #, 20G, 12Cr1MoVG, P91, 10CrMo910, 15CrMo, etc. Because we are professional production, quality assurance? The company has domestic advanced production lines, the production of high, medium and low pressure elbows, reducers, tees, elbows, flanges and pipe factory Chemical Engineering Design and preparation of professional manufacturers. At the same time, the company also produces wear, corrosion, pipe insulation, steam pipe hangers and plant parts and other products. Is widely used in petroleum, chemical, electric power, construction, metallurgy, water conservancy and other large-scale projects.