Hoo e ka bang matsatsi a 30 a fetileng, e mong oa bareki ba rona o ile a kenaVietnamo ile a laela sehlopha saslipoleiti tsa tee.Thepa keASTM A572 GR.50.

Joaloka moetsi oa litsebi oa li-flanges, lisebelisoa tsa liphaephe, liphaephe le lihlahisoa tse ling tsa liphaephe, Hunan Great e ka hlahisa mefuta e sa tšoaneng ea liphaephe.Haeba u na le tlhoko, ka kopo ikutloe u lokolohile ho ikopanya le rona.