... and outer race,it has six windows, enable steel ball move in the orbit.2. Material:20CrMnTi3. ... Pengyi Auto Parts Co., Ltd. is located in the Automobile Part Station in China - Yuhuan. Our ... than 200 Model Specifications, best-selling all over the country and exported to North America, Europe, ... expect partnership with overseas and domestic customers in the field of trade and technology. !Our company ...