1. Non-noxious, corrosion proof, fight weighted, high mechanical strength, heat endurance, low crisp

1. Non-noxious, corrosion proof, fight weighted, high mechanical strength, heat endurance, low crisp temperature and long service life.
2. Low in-tube liquid resistance, hard to settle filth, keep liquid away from pollutant,
maintain maximum effective tube diameter.
3. 100% oxygen proof, non-penetration. Can be used as transporting fuel gas and liquid.
4. The tube can be cranked and recovered.