... PipeTianjin Ding Xin Hligh Pressure Alloy Pipe Trade Co., Ltd. is located in the heartland of China - Tianjin, which is ... widely used in such fields as chemical industry, chemical fertilizer production, chemical fiber production, petrochemical industry, natural gas ... , 347, 2205, 301, 201Certification:ISOBrand:TISCO, LISCO, ZPSS, Jiangsu, TPCOWall thickness:1mm-50mm or as buyers’ requestOD:4mm-426mm ...