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 a national excellent forging process model enterprise. China Forging Association, the founder of China Gear Association, Shandong Province Technology Development Center, Qingdao City, high-tech enterprises, and cooperation with China Ocean University set up a mold and special materials Institute.