Since 2001, WINMAN industrial engineering has designed and manufactured the highest quality, custom Sheet Metal Fabrication Equipment, such as metal sheet roller cutting machine、metal sheet punching machine、metal sheet bending machine、welding machine、riveting machine、pu gasket sealing machine… and related consumable materials for those Sheet Metal Fabrication Equipment, especially in the power distribution cabinet accessories technology. All of our custom power distribution cabinet accessories are engineered and manufactured in Shanghai city, Next door to the biggest manufacturer VOLKSWAGEN SHANGHAI.