AOHONG GROUP LIMITED is a group company. She has two wholly-owned manufacturing factory (Hengshui Aohong Special Glass Manufacturing Co., Ltd. and Hebei Fuyuan Sealing Material Co., Ltd. ) and an import and export marketing company (Hengshui Aohong Technology Co., Ltd. ) in China. After 20 years growing and developing, it enjoys a high reputation at home and abroad. Based in north of China, we have strong supply chain system and professional sales team, and ensure to provide lowest cost, best price and high quality Sight Glass: Round sight glass,glass tube,level gauge glass,glass sheet(Soda lime,Borosilicate,Quartz material available) Sealing material: Sealing gasket sheet (asbestos and non asbestos),composite gasket sheet,sealing gland packing,graphite paper,tape,sheet and all kinds heat resistant material rope,tape and cloth?(asbestos,fiberglass and ceramic),PTFE sheet,rod, turcite b sheet,teflon tape. Sealing gland packing:PTFE gland packing,graphite gland packing,carbon fiber gland packing,asbestos PTFE gland packing,Aramid gland packing and etc