... Automobile motorcycles Gears, pinion,sprocket, helical gears,valve, pistion,rod guide,rotors,sintered parts, shock absorber part Ningbo Kingbell Powder Metallurgy Co., Ltd ... Yongtai Powder Metallurgy Co., Ltd. in Feb. 2006. Kingbell/Yongtai specializes in manufacturing various of powder metallurgy components, which have ... relationship with domestic and international customers. Automobile motorcycles