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The certificate is a DNV-GL factory accreditation certificate, issued by DNV-GL. Certificate application: Ingot - carbon steel and carbon manganese steel material, the maximum tonnage of 200 tons; alloy steel material, the maximum tonnage of 160 tons;

Forging (including CGF crank forging) - carbon steel and carbon manganese steel material, the maximum tonnage of 151 tons; alloy steel material, the maximum tonnage of 121 tons; crank arm of the largest tonnage of 46.1 tons; the maximum thickness or diameter of the product 1300mm.

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