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self - tapping screws for siding wall
1.various kinds of self tapping screws are available.2.high quality,competive price,timely delivery .3.material of the self tapping screw: stainless steel ,carbon steel,alloy steel,copper etc.4.surface treatment of self tapping screw: Phosphating passivation,Zinc-Plating or according client's requirement.
We are the five years golden supplier in Alibaba. We have our own factory and we responsible for the foreign trade. Our main products are bolts, nuts, screw, draw wire and other special fasteners. We could product it with your standard and other demand. Our annual production capacity is around 200000 tons.