Yangdong co. Ltd. is the largest production base of little-bore multi-cylinder diesel engines in china. The main products are run at 3000 rpm from 20 hp-90hp. It main produce model YD2105,Y380,Y385,YD480,YND485Q,YSD490Q,Y4100Q,Y4102Q little-bore multi-cylinder diesel engines and their 170 versions of the direct-injection, high-speed etc.. They're ideal power units for marine engine, water pump set, diesel generator set. The corporation has acquired the certificate of ISO9001 quality system.