SA106B seamless steel yeeb nkab, ua ib feem tseem ceeb ntawm kev lag luam steel, nqa lub luag haujlwm hnyav ntawm kev sib txuas lub ntiaj teb. Seamless steel kav tsis tsuas yog ua lub luag haujlwm tseem ceeb hauv kev tsim kho, roj av, thiab tshuaj lom neeg kev lag luam tab sis kuj tseem ua lub luag haujlwm tseem ceeb hauv kev tsim kho ...
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