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