Shanghai Yidi is China (Shanghai) a specialized in designing and producting all kinds of Transmission Parts.The mainly production are the small Universal Shaft Coupling,Locking Assemblies and Chain.The products are widely applied in all kinds of transmission machinery such as:Food machinery, printing machinery, hydraulic machinery, packaging machinery, agricultural machinery and mining and smelting etc. Our company has more than precision centerless grinding machines, surface grinder, precision lathe, planer, drill milling machines, presses and other finishing equipment, and has its own heat treatment technology and equipment: hanging furnace, converter, box-type furnace, high frequency heat treatment to meet different requirements of customers. Technical data according to user requirements. The company's biggest advantage is that from the raw material -> Design -> Development -> Production -> Sales -> strong team and services are integrated company. To thank our customers, as always, to our support and love, Yidi will be more superior product quality, excellent service, closely with our customers and seek common development!