... in the medical equipment. Ningbo Kingbell Powder Metallurgy Co., Ltd. is a Sintered Metal Structure Parts factory, founded in 1988. Kingbell ... Enterprise in 2005. On Jun.2,2008,we have the certificate TS16949. Ningbo Kingbell/Yongtai Powder Metallurgy Co., Ltd. has ... imported from Japan, and some domestic machines, 2 sets of 18 type of continues mesh belts sintering stove, steam treatment stove and a ...