Royal Steel Groupmuab cov khoom siv hlau zoo heev uas siv tau rau kev lag luam, kev lag luam thiab kev nyob. Pebtsev hlautuaj yeem ua raws li koj xav tau raws li koj cov duab kos, tsim qauv, lub tswv yim lossis cov kev xav tau, peb tuaj yeem txhawb nqa ntau qhov ntev thiab qhov dav thiab ntau lwm yam khoom tsim. Peb muab cov ntaub ntawv raws liASTM steel qauv, JIS hlau qauvthiabEN steel qauvnyob rau hauv cov hlau carbon muaj zog siab, cov hlau alloy thiab cov qib uas tsim nyog rau huab cua (cov hlau uas tiv taus huab cua).
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Lub sijhawm tshaj tawm: Lub Kaum Ob Hlis-19-2025