2019年12月17日星期二

GB PVC DWV H PIPE FITTING Manufacturer and supplier

GB PVC DWV H PIPE FITTING

Pvc dwv H Pipe fittings for connection of drainage pipe and ventilation pipe. In order to avoid the pressure in the pipeline caused by the air in the drainage pipe, which affects the discharge of sewage, H pipe plays the role of connecting the drainage pipe and the ventilation pipe.

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