... pistion rod guide. TS16949 Ningbo Kingbell Powder Metallurgy Co., Ltd. is a Sintered Metal Structure Parts factory, founded ... ---Ningbo Yongtai Powder Metallurgy Co., Ltd. in Feb. 2006. Kingbell/Yongtai specializes in manufacturing various of powder metallurgy ... on. Tianji Tian De Suspension System Co., Ltd., Zhejiang Qianjiang Motorcycles Group, and Zhongjian Tools Manufacture Co., Ltd. , AL-KO, ...