Wotu mainly produces self-drilling screws, hex washer head self-drilling screws, countersunk self-drilling screws, pan head self-drilling screws, bolts, nuts, power tower bolts, railway fasteners, anchor bolts, electric power fittings, and customized non-standard fasteners.

Wotu is equipped with more than 200 sets of advanced Taiwan-made self-drilling screw production equipment and 6 CNC automated production lines. The annual output of self-drilling screws exceeds 20,000 tons, and the annual production capacity of bolts and nuts also exceeds 20,000 tons.

Yes. Wotu can produce customized non-standard fasteners according to customer requirements, including special dimensions, drawings, samples, or application needs.

Wotu controls quality from raw material purchasing to finished product delivery. The company has established a complete quality inspection room with professional testing equipment and follows ISO9001:2015 quality management procedures for product testing.