In 1960, we established our small family factory at Taipei County to be a specialized manufacturer of Cotter Pins with steel and to be a supplier of hardware wholesaler. Then in 1977, we grewed up business and moved to current address – Hsin Chuang City. we imported many advanced new machines from America and Europ and then successfully to develop the material of Brass and Stainless Steel products except Steel ones. In 1985, we upgraded our product line to multiple styles, we did the standard products and custom-made products.

In 1990, we successfully imported the technology of mid, high carbon products and exported to America and Europe. In 1995, we manufactured a variety of standard Retaining Ring and Toothed Washers and established an office in Singapore.

Till now, we got the ISO 9001 International Quality Certificate and we have exported our products to America, Canada, England, Germany, South Africa, Middle East, Singapore, Malaysia, etc. Our products include Cotter Pins, Hitch Pin Clips, Spring Pins, Retaining Rings and Tooth Washers, etc and with the material of Steel, Stainless Steel, Brass, Aluminum, etc.