... Properties Analysis; Hydrostatic Test, Dimensional and Visual Inspection, Also With Nondestructive InspectionUsage/ApplicationMechanical & manufacture, Steel structure,Shipbuilding ... tube wells casing pipes, Gas/Natural gas pipe lines, Oil pipe lines, LPG & other non-toxic gas ... production and selling of square, round, rectangular pipe surfaced with galvanized coating, polish, black painting and oiled ...