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Tongyu granted by Russian Maritime Register of Shipping
Certificate recognized by Russian Maritime Register of Shipping was received by Tongyu on 29th of May, 2018.Upto now, TONGYU was certified by DNVGL、BV、ABS、CCS、LR、KR、NK、RINA and RS.The qualification of classification societies enable Tongyu to explore new markets and new products for Ship-buliding industries by supplying steel ingots and forged steel components.