We have manufactured Sintered, Powdered Metallurgy structure parts for 20 years Our company,Ningbo Kingbell Powder Metallurgy Co., Ltd. Established in 1988, located in Ningbo, China, with 5, 000 square meters of standard workshops in 10, 000 square meters of factory district.There are 120 employees, of whom 20 percent minimum of owing initial and middle and high technicians and high scientific ...