Tongyu Heavy Industry Co., Ltd.
Quality Assurance
EN1090 EU steel structure component certification
EN1090 EU steel structure component certification
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Technical evaluation report for steel forgings used in pressure - bearing equipment
Technical evaluation report for steel forgings used in pressure - bearing equipment
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MAN company crankshaft recognition certificate
MAN company crankshaft recognition certificate
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Italian Classification Society certificate
This certificate is a factory recognition certificate issued by the Italian Classification Society (RINA). The applicable scope of the certificate is as follows: Steel ingots - carbon steel and carbon - manganese steel, with a maximum tonnage of 200 tons; low - alloy steel, with a maximum tonnage of 160 tons; Forgings (including crank - arm forgings) - carbon steel and carbon - manganese steel, with a maximum tonnage of 151 tons; low - alloy steel, with a maximum tonnage of 121 tons; The maximum tonnage of crank - arm forgings is 46.1 tons.
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Korean Classification Society certificate
This certificate is a factory recognition certificate issued by the Korean Classification Society (KR). The applicable scope of the certificate is as follows: Steel ingots - carbon steel, with a maximum tonnage of 200 tons; low - alloy steel, with a maximum tonnage of 160 tons; Forgings - carbon steel, with a maximum tonnage of 151 tons; low - alloy steel, with a maximum tonnage of 121 tons.
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Japanese Classification Society certificate
This certificate is a factory recognition certificate issued by the Japanese Classification Society (NK). The applicable scope of the certificate is: Steel ingots and forgings (including crank - arm forgings) made of carbon steel and low - alloy steel.
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