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China Classification Society

The certificate is the China Classification Society (CCS) factory accreditation certificate, issued by the China Classification Society. Certificate application:Ingot - carbon steel and carbon manganese steel material, the maximum tonnage of 200 tons; Alloy steel material, the maximum tonnage 160 tons;Forgings (including crank forgings) - carbon steel and carbon manganese steel, 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; Castings - gray iron, the current recognized weight of 6.5 tons; Ductile iron, the current recognized weight of 7 tons.