•The material of our product is from Xining Special Steel Co LTD, which has the better quality than other suppliers.

•Product material  42CRMO,20CRMO,45#,40CRNIMOA,20#

•Shipment with Xining material sheet, quenching and tempering sheet, product size test report, product sample block.

•The product surface is treated with high phosphorus nickel plating, the plating is 0.02+0.00254mm thick.。

•The surface hardness of the plating is not less than HRC50。

•The plating surface was free of rust after 96 hours salt spray test (ASTM B117)

To order, please contact:

Mr. PI：13231739333

Email：ppcoolss@126.com

Welcome to inquire