... And Tubing,Fluid Pipe, Water Delievery,Heating Pipe,Power Pipe,Structure Pipe,Scaffold,Piling PipeManufacture ProcessesRaw material Test→Uncoiling→Strip leveling ... →End Cutting→End Shearing and Welding→Accumlator→Forming→Telepathy ... ExaminationFinal Product TestHydraulic Test, On-line and off-line Ultrasonic Test,Tensile Test , ...