... Shock Absorbers: piston, base valve, pistion rod guide. TS16949 Ningbo Kingbell Powder Metallurgy Co., Ltd. is a Sintered Metal Structure ... a sino-foreign joint venture---Ningbo Yongtai Powder Metallurgy Co., Ltd. in Feb. 2006. Kingbell/Yongtai specializes in ... . Tianji Tian De Suspension System Co., Ltd., Zhejiang Qianjiang Motorcycles Group, and Zhongjian Tools Manufacture Co., Ltd. , AL-KO, are some ...