A large ship-shaped column capital
A large bearing roller forging trimming compound die
A forging die
A utility model patent certificate for a universal die seat for multi-directional forging
A forging die certificate for a track seat body
A track seat billet mold
A scraper chain for a mining coal shearer
A certificate for a special fixture used in the machining of the bottom of an upright cylinder
A certificate for an outer cylinder bottom machining machine
A semi-closed pre-forging die
A utility model patent certificate for a die-cutting tool with automatic unloading and trimming function for sales rails
A utility model patent certificate for a mold used to repair wear and tear on the teeth of a sales track.