上海11选5

The quality of our products has met SAE & ISO9001:2008 international standards.And our company takes part in and helps to set down four national standards such as High Caron Cast Steel Shot & Cast Steel Grit, Low Carbon Cast Steel Shot, Steel Material Descaling Grade, Steel Material Surface Roughness.We have strict quality control over the full production process to guarantee qualified products will be delivered to our customers.

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