Ningbo Rock Metal Product Co., Ltd was established in 2007 and has been successfully mechanical seal and sintering structural components in Ningbo, China. We specialize in developing and manufacturing various products, such as mechanical seal, cartridge seal, O.E.M. pump seal, compressor seal, bushing, nozzle complete, carbon graphite, silicon carbide, tungsten carbide, ceramics etc. Rock Metal has undertaken its production of advanced powder products and in-house R&D with continuous efforts in quality and production program improvement. We now have a highly qualified team consisting of professional and technical personnel trained in sintering, casting, sealing, bearing, and mechanics. We are equipped with advanced testing and productive instruments making us one of the most advanced industrial technology companies with a wide array of products. The Mechanical Seal Division oversees the development and production of various products able to with stand the demands of high temperature, high pressure, and strongly corrosive environments in fields such as petrochemical equipment, paper and printing machines, textile and dyeing production line, and food processing and sanitary machinery. We take pride in our products and ensure the highest standard of inspection. Our sales team is ready to work with you to provide you with the information and products you to best suit your needs.Our slogan is QUALITY IS TOP MATTERS.If suitable for you, pls send us drawing size with the material & QTY to Vicky mail or wechat or whatsapp.If urgent, please let me know, and will give feedback to factory and check if have instock.Promise: 100% inspection of the each quality before sending.my email: sales_j@rockmetalproduct.com, phone/wechat/whatsapp: +8615356099668