|There is no problem
of quality level control all of our products are 10.9 high strength fastener.
Only one kind of materials can
help us decrease costs of purchase and costs of stock
management. We also offer the product of 8.8 grade. But
it is purchased outside and we think it is limited of
competitive superiority expect our good service.
We can supply many kinds of surface treatment, Include
dacromet and trivalent zinc plating, which with RoHS
compliant. At the meantime, we offer surface treatment
in black oxide, phosphate , eletrophoresis and so on.