within 20 years' experience, our mainly product full range of all kinds of sprockets and plate wheels, Simplex, Duplex, Triplex. Non-standard sprockets, such as keyway, setscrew, special teeth form, split sprockets. For the special sprockets, we made to customer's drawings or their own catalog or sample. For the standard sprockets, we usually use Sati, Martin, Browning and Kana specification. Besides the sprockets, we also make the chain coupling, QD & taper lock bushing and sprockets, idler sprockets, conveyor sprockets, weld on hubs, cast iron sprockets. 　　We make sprockets from the Pitch 25 to Pitch 240, teeth 5 to teeth 125, also we have the ability to make special pitch. For the additional process, like Heat Treatment, Black Oxide Finished, Zinc or Nickel Plated, Phosphate etc.We have registered ISO9001:2000 in Apr,2002.