... parts, other sintered metal parts Our factory, Ningbo Kingbell Powder Metallurgy Co., Ltd., has specialized in manufacturing items of ... on.Kingbell are one of the Designer, Manufacturer for Powder Metallurgy parts, Auto & Moto spare parts of following ... . 5.) Hardware Parts6.) Sewing Machine Parts7.) Other Iron Powder metallurgy parts8.) Other sintered partsWe process adequate technical expertise for ...