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Feature: 1. Anti-explosion. 2. Wholely winding. 3. Anti-aging. 4. Thickness, 18layers, 19layers, 20layers, 21layers, 22layers, etc. Description: 1. Inner: Rubber tube. 2. Midium layer: Multi-layer of rubber-dipped tyre fabric. 3. Material: Natual rubber, anti-aging. Multi layer of rubber-dipped tyre fabric. 4. Outer: Tyre-chain net. 5. Tyre: Air tyre, car tyre. 6. Chain: Hot galvanized. 7. Flange: Hot galvanized or stainless steel. 8. Shackle: Hot galvanized. 9. Valve: Copper. 10. Working pressure: 0.05Mpa, 0.5Bar. 11. Testing pressure: 0.15Mpa, 1.5Bar. Warranty: 12 months. Life-span:10 years. Certificate: CCS, GL, certificate from us.