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Compared with the traditional direct-buried insulation material, the polyethylene casing has the characteristics of high mechanical strength, impact resistance, environmental stress cracking resistance, corrosion resistance, low temperature resistance, easy welding, simple construction, strict sealing, no leakage and long service life. |
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| Polyethylene exterior guard pipe |
| Compared with the traditional direct-buried insulation material, the polyethylene casing has the characteristics of high mechanica... |
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| Polyethylene exterior guard pipe |
| Compared with the traditional direct-buried insulation material, the polyethylene casing has the characteristics of high mechanica... |
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| Polyethylene exterior guard pipe |
| Compared with the traditional direct-buried insulation material, the polyethylene casing has the characteristics of high mechanica... |
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