Ningbo Gongyao Sealing Materials Co., Ltd---a professional manufacturer and exporter of chinese sealing and heat insualtion materials, specialized in manufacturing gland packing, glass fiber, asbestos, non-asbestos products and other materials. Up-to-date technology, advanced equipments and near 40 years manufacture experience will bring best quality but lower prices to our clients. Enterprise objective: Based on sincerity, the high quality at low price strives for the survival; The technical innovation strives for the development. We can supply follow products: 1. Gland packing; 2. Glass fibre products; 3. Asbestos products; 4. Ceramic fibre products; 5. Carbon fiber products; 6. Expanded graphite; 7. Gaskets & seals; 8. Ptfe products; 9. Other products.