Шилдэг том диаметртэй HDPE хуванцар ган ороомгийн хоолой үйлдвэрлэгч …
HDPE plastic-steel winding sewage pipe is made of rigid-plastic composite special-shaped strip through spiral winding welding (extrusion welding on the lap surface), and its inner wall is smooth and flat, and the specification is dn200-dn3000mm. This kind of pipe has the advantages of corrosion r...
Хятад Pvc хоолой цутгамал төмрийн үйлдвэрлэгчид ба үйлдвэр …
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