Ningbo Rock Metal Product Co., Ltd. was established in Ningbo, the historic site of sintered and casting structural components and mechanical seal components in China. Our company is a traditional family group of companies founded by experts with experience in sintered metal and special ceramics.



Rock started our production of advanced powder products and thereafter in-house R&D with continuous efforts in quality and production program improvement. Now, we have a highly competent team which consists of many professional and technical personnel on the aspects of sintering,...