Impact and bear pressure and can be buried in the window... free from aging and color changing. Descriptions of the PVC Trunking as below:1. Insulation, PVC is not conductive so that our products can prevent accidental electrocution2. Fire-proof, our products will be extinguished as soon as the moment it left flame3. Moisture-proof, Acid-proof alkali, they can store well under ground.4. Take ...
