Company Info
Ningbo Rock Metal Product Co., Ltd was established in Ningbo, the historic site of sintered, casting structural components and mechanical seal components in China. The company is a traditional family group of companies found by experts having experience in sintered metal and special ceramics of mechanical seal field for many years with variety co-operation, related manufacturing enterprises. Rock started its production with these advanced powder products and thereafter in-house R&D and with con... view more
Company Profile
OEM Services Provided:
NO
Business Type:
Manufacturer, Trading Company
Main Export Markets:
North America, Western Europe, Eastern Europe, South America, Southeast Asia, Eastern Asia, Mid East, Oceania, Africa
The Alumina Ceramic is sintered into the friction material after high temperature. Alumina can resist the general corrosion medium except hydrofluoric acid and dense alkali. But fragility of Alumina is very high, so it can be fractured with great changing temperature.