PVC profiles for window & door

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PVCprofilesforwindow&doorPVCprofilesforwindow&doorPVCprofilesforwindow&doorpvc是Polyvinylchloride,一种硬

PVC profiles for window & door
PVC profiles for window & door

PVC profiles for window & door
pvc 是 Polyvinyl chloride,一种硬塑料
profile好像是建筑结构上的某些部件……