● VideoPVC-U Multi-hole Pipe
● Video
● VideoPVC-U plastic 9-hole four-hole grid honeycomb tube communication weak current protection sleeve
● VideoPVC-U plastic nine holes, seven holes and four holes porous weak current grid threading honeycomb plum blossom tube
● VideoMunicipal Communication PVC-U seven-hole nine-hole porous plum blossom honeycomb power cable threading protection tube
● VideoPVC-U plastic nine-hole seven-hole four-hole porous weak current upvc grille plum honeycomb threading cable sheathing tube
● VideoPVC-U four-hole nine-hole seven-hole grille plum flower weak current plastic threading porous tube underground communication pipeline
● VideoU-PVC plastic porous power conduit optical fiber high voltage underground communication protection tube
● Video