Thaum Lub Xya Hli 8, 2023, peb xa ASTM A335 P92 seamless alloy steel kav mus rau Ltalis, thiab xa lawv raws sijhawm. Lub sijhawm no, peb tau ua 100% kev ntim khoom ntxiv, suav nrog PVC ntim, ntim hnab ntim, thiab cov ntawv ntim cov ntawv ntim, uas tuaj yeem rov siv tau tag nrho Steel str ...
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