... is used in the medical equipment. Ningbo Kingbell Powder Metallurgy Co., Ltd. is a Sintered Metal Structure Parts factory, founded in 1988. Kingbell registered a ... , range from 6 tons to 315 tons, including the advanced compacting machine imported from Japan, and some domestic ... our company for visiting. Our tenet: Supply the powder metallurgy parts with best quality ,good service and excellent credit. ...