... 500g/m2 Third party Inspection is acceptable MOQ: 5T· Hot dipped galvanized steel Tube· Zinc coating:260-300g/m2 and more than ... of steel pipes, such as galvanized steel pipe, pre-galvanized steel pipe, seamless steel pipe, hot-dipped steel pipe, ERW steel pipe, ... etc. And the other similar products like (galvanized) hot/cold rolled coil/plate ...