The main production of large casting platform, test plate, crossed platform, combined platform, T-groove plate, machine plate, mold plate, the engine dynamometer test stand, engines, engine test stand, cast iron base plate, stand, boring and milling machine assisted landing platform, various types of dynamic mechanical test stand products, platforms and welding assembly platform, combined T-slot plate assembly, inspection, marking assembly, welding, tooling with a flat, boring and milling machines and other table, coordinate instrument plate, mold plate, laboratory base plate, slot iron (to rail) pad boxes cast iron plate (platform) according to the national GB4986-85 standards.