QingDao Three-Star Precision Forging Gear Co.,Ltd. is a joint-stock enterprise established by Qingdao Precision Forging Gear Factory. It was founded in 1976 and is the first specialized enterprise to produce gears in China. It is the excellent enterprise model for forging process, Is the founder of China Forging Association, China Gear Association, Shandong Province Technology Development Center, Qingdao high-tech enterprises, and with the China Ocean University to set up a mold and special materials Institute. The main products are automotive, engineering machinery and agricultural machinery drive axle differential precision forging gear.