... 2500European Series: PN 2.5, PN 6, PN 10, PN 16, PN 25, PN 40, PN 63, PN 100, PN 160 ... -proof black oil or hot galvanized.Usage:Petroleum, chemical, power, gas, metallurgy, shipbuilding, construction, etcOthersOEM service providePacking Wooden Cases or wooden ... -50days About UsHebei Jinsheng Pipe Fittings Manufacturing Co., Ltd was set up in 1983. We are a specialized manufacturer of pipe ...