Khung gầm cơ sở Anodizing 4 trục 5 trục nhôm 7075

When the user requires chemical composition verification and analysis of forgings, it must be in accordance with GB/T222-1984 "Sample sampling method for chemical analysis of steel and allowable deviation of chemical composition of finished products" and GB/T223.1223.77-19811997" "Steel and alloy chemical analysis method" regulations.

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