2011 NEW Real estate and construction 1.Material PVC 2.10 years experience 3.no break when bend,no impurity 4.New design 2011 NEW Real estate and construction. Product Introduction: Songsu pvc trunking Material: Making of PVC PlasticStandard: IEC 61084-2-1Apperance: Regular square, smooth, light, no impurity, beautiful Decent packagingColor: Color pure, no have discoloration and agingSmell: No ...