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SPRON100(special metal material)
SPRON100 suitable for precision springs (coils, torsion springs, flat springs, disc springs, etc)
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SPRON510(special metal material)
SPRON510suitable for medical tools, etc.
SPRON
SPRON
SPRON100 suitable for precision springs (coils, torsion springs, flat springs, disc springs, etc)
SPRON510suitable for medical tools, etc.
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