... -WP304L. A403-WP316. A403-WP316L.Applications rangePetroleum, chemical, power, gas, metallurgy, shipbuilding, construction, etcMin Order QuantityAccording to ... The former name was Hebei Xinxing Steel Pipe Manufacture Co., LTD, online trading began in 1997. Currently our ... For many years, our company for domestic coal-fired power, chemical, shipbuilding, metallurgy, pressure vessel, petrochina and ...