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lock washer
1.machines: cold headers,numerical control machines,measuring trucks, thread rollings, grinding machine,etc.
2.products: filter parts,hex nut and bolt, tube joint,cold heading blank,anchor parts.etc.
3.designs: we can make any designs with customers’ drawing.
4.quality:our products will be passed by 100% inspection.
5.certificate: ISO9001
6.ideas: best quality with best services
imperial nuts
