We, Ningbo Billi Sealing Technology Co.,Ltd, as one of the leading companies of seal products in China, we have been manufacturing various kinds of seals for about twenty years.
Our main products are as following:
1.   mechanical seals such for Industrial Pump Seal as Burgmann, John Crane, AES, Vulcan seal and so on.
2.   mechanical seal components : tungsten carbide(TC), silicon carbide(RBSIC,SSIC,RBSIC+C), carbon graphite(M106K,M106D,M106P),ceramic, stainless steel and rubber seal ring(all kinds).
3.   Rubber molded parts.
Our products have entered into American and European markets for their excellent quality and competitive price as well as good service.