Topu valve innovates, brings and absorbs new technology constantly, we have high-tech level of automatic electric upsetting machine, double metal friction welding machine, the US plasma welding, CNC precision centerless grinding machine, automatic lock slot grinders, CNC cone grinder, roller type automatic mesh belt furnace production line,heat treatment furnace etc.We can keep up with diesel vehicles, cars, motorcycles OEMs’ requirement of product development synchronously with our special production process and forging molding surface treatment, plasma nitriding, chrome rod section, tip hardening and other advanced technology . Our valve production capacity is 10 million pieces per year.