... With Nondestructive InspectionUsage/ApplicationMechanical & manufacture, Steel structure,Shipbuilding, Bridging ,Automobile chassisWater Pipelines, ... Quality for Survival, Product for Development, Credibility for Cooperation and Service for ... welded steel pipe manufacturing group. We have cooperated with Bao steel, Wu yang steel, TPCO, Baotou steel, Shou gang Jin tang Steel, An gang Steel, Daye Steel ...