WEI-ZAI INDUSTRY CO.,LTD. was established in 1980, with 30 years professional manufacture experiences. WEI-ZAI INDUSTRY CO.,LTD. owns professional knowledge and technologies in the sphere of nut products. We produce various kinds of nuts, including ange nuts, washer, cap nuts, anchor nuts, T-type nuts, parts of bicycle & automobile and other special nuts; the materials include steel, stainless steel, brass and aluminum alloy. We also welcome the special products of customers' drawings or samples.