... , ERW9, USAGE: structural use, furniture use.10, INSPECTION: support the third party inspection, such as SGS, BV11, PACKING: in bundles with water ... , L/C15, MOQ: 20MT16, DELIVERY: 10-30 days according to the order quantityPRODUCTSCERTIFICATE pre-galvanized furniture steel pipe China origin