Dyseals mechanical seal company is specialized in making tungsten carbide seal faces/rings for mechanical seals in China for 30 years. Tungsten carbide seal faces/ring with trustable quality and reasonable price is the right company you are looking for. Dyseals is operating ERP system characterized with mechanical seal industry and tele-work and a state hightech enterprise in tungsten carbide seal faces/rings. Pump manufacturers/companies,pump repairs and mechanical seal companies are welcome to establish mutual business relationships on mutual benifits and interest.