PVC high-rise rainwater/ Horizontal hoop expansion joint
PVC drainage/ spiral drain-pipe for building
PVC drainage/ Enhanced spiral drain-pipe for building
PVC drainage/ Hollow spiral drain-pipe for building
PVC mute drainage/ Spiral tee
PVC mute drainage/ Spiral vertical pipe check hole
PVC drainage/ Special elliptical pipe for seat shifter
PVC drainage/Unblocked seat shifter B-type （exit、entrance、union lever）
PVC drainage/Unblocked seat shifter C-type （exit、entrance、inside-outside joint）
PVC drainage/Unblocked seat shifter inside-outside joint
PVC drainage/Unblocked seat shifter union lever
PVC drainage/Unblocked seat shifter exit
