... Laser cutting machine, power press, hydraulic press, fine blanking press, ironworker, notching machine, ship frame bender, press brake tooling and shear blades ... to produce the JCO pipe. beveling machine--crimping press---JCO press---Tack welder6.Warranty periodFor the main frame and ... Big productivity: YSD has Most Modern & State of Art Plant, one of the Largest Manufacturer in the world today ...