... ,SS321,S31803,S2205APPLICABLE RANGEChemicals,petroleum,natural gas,machinery, shipbuilding,power plant,etcPackagingStandard exporting packing of ... ,SS321,S31803,S2205APPLICABLE RANGEChemicals,petroleum,natural gas,machinery, shipbuilding,power plant,etcPackagingStandard exporting packing of ... EC,TSDear sir/madam,This is Zhejiang Longli Pipes Manufacturing Co., Ltd, we are the experienced manufacturer ...