Kuo Hsian Fastener Enterprise Co. Ltd. is a Taiwanese company that specializes in manufacturing fasteners according to DIN standards. They offer both standard products and customized parts for specific applications.

Their main products include DIN931/933/6921/603/571, ISO 4014/4017 with CE marking (EN15048-1), Wheel bolt, Hammer Head Bolt, Automotive parts, and Silo Bolts. The product specifications range from M3 to M20, with lengths varying from 6mm to 200mm. The fasteners are made from either Carbon Steel or Stainless Steel, and are classified under Class 4.6, 8.8, 10.9, or 12.9.

Various finishes are available, such as CR3+ZY, CR3+ZP, Geomet, Delta Coating, H.D.G., and Mechanical Zinc Plating. Additionally, customers can choose from different patch options including Nylon Patch, 3M, Precote, and Dri Lock.