Established in 1958, HUBEI TRI-RING METALFORMING EQUIPMENT CO., LTD, also known as YSD, is a professional manufacturer that designs and produces sheet metal forming machines in China. Our main products include press brakes, hydraulic guillotine shears, fine blanking machine, turret punch presses, hydraulic presses, automatic cold header, etc.SD has been listed on the Shenzhen Stock Exchange since 1998. We share a 30-year cooperation with Belgium LVD Company and started to introduce its machine tool technology in 1981. Since 2009, LVD Company has invested 30% stake in the YSD Company. With advanced technology from LVD Company and our own R&D strength