Hai Shark Co., Ltd. is a manufacturer of rule die steel, founded in 1994. We produce rule die steel of the highest quality, and provide top of the line customer service for all of our clients. With continuous research and development we are able to to improve all of our manufacturing processes to achieve the best quality levels at low costs to meet all challenges frfom the contemporary market .

Our rule die steel is made of high quality steel strips that completely match the specification of JIS, AISI, SAE and ASTM Standards. It is put through an integrated heat treatment system, fully automatic, high precision laser measuring and aligning, computer controlled integrated blade forming system and a same-class capacity triaxial straightening and cutting machine. Finally, we use the German Test Standards VDS to examine and control the quality so that we can ensure the meeting of of our customers highest requirements.


Our rule die steel is suitable for a variety of applications including footwear, leather goods, plastics, rubber, and textiles. We are very glad to receive your comments and feedback about our company.


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