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1.standard: JIS  or ISO10243
2.large stock and high quality
3.light load,medium load,heavy load and super heavy load Die spring, light load, blue
The die spring of rectangular section used in punching mould, metal die-casting mould,plastic injection mould and mechanical equipment with rigid structure is our traditional product.It has good steel, high elasticity standard and high precision. Following the Japanese standard (JIS B5012: 1986) and Italy standard (ISO10243), we make out more than ten - serial products for the customers with different specifications.