Ningbo Han-Yum Import & Export Co., Ltd. (shorted as HY) is located in Ningbo, China, which is the country of seals and gaskets. HY is a trading company which is only specialized in export. We have a domestic factory named Ningbo Power Sealing Material Co., Ltd. Our factory can supply you with following products: Graphite: graphite rings, graphite sheets, graphite foil rolls Ceramic: ceramic yarn, ceramic cloths, ceramic blankets, ceramic paper Asbestos sheets, non asbestos rubber sheets PTFE: PTFE skived sheets, PTFE thread sealing tape, PTFE sealant tape Gaskets: corrugated gaskets, spiral wound gaskets