1.combustion-proof 2.reistant fire 3.installation conveniently, 4.customizing the goods according to the request Product feature:our combustion-proof pvc trunking has strength tenacity,and are combustion-proof,fire proofing,damp proof,acerbity resistant,aging resistant.We offer customized products accoring to the specific drawing&samples.Presently we have the sizes as follows: ItemSize(mm×mm) ...