Precast polymer concrete trench drain,u channel drainage,slot

Launch of Concrete Slot Drainage Channel Range concrete slot drainage channel Large-capacity self-compacting reinforced-concrete channels, for rainwater drainage in industrial areas and airport infrastructures and on roads concrete slot drain Drainage channel for use with block paving and as a threshold drain in front of doorways

9 coins_ grand gold edition slot Slotted cover resin concrete drainage channel-L type series, find complete details about Slotted cover resin concrete drainage channel-L type series,