Xov xwm

  • Cov kav dej ERW yog dab tsi?

    Cov hlau tsis xeb yog ib yam khoom siv tau los ntawm kev lag luam thoob plaws ntiaj teb thiab tsis muaj ib qho tab sis ntau yam laj thawj rau tib yam. Cov hlau tsis xeb yog cov khoom siv ruaj khov thiab tiv taus cov tshuaj lom neeg sab nraud xws li kua qaub thiab xeb. Tsis tas yuav hais, cov kav dej hlau tsis xeb muaj ntau yam kev siv hauv ...
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  • Cov cai rau kev tsim cov dej thiab cov dej ntws ntawm Tuam Tshoj thawj lub tuam txhab hlau tau tshaj tawm

    Raws li qhov kev tshaj tawm ntawm Ministry of housing thiab urban reconstruction, tus qauv tsim rau kev muab dej thiab kev ntws ntawm cov hlau thiab hlau ua lag luam raws li tus qauv hauv tebchaws (serial number GB50721-2011) yuav raug siv rau lub Yim Hli 1, 2012 Tus qauv no los ntawm Suav metallurgical owne ...
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  • Kev Paub Txog Cov Yeeb Nkab Hlau

    Cov yeeb nkab hlau yog siv rau kev xa cov kua thiab cov hmoov khov, pauv cua sov, tsim cov khoom siv tshuab thiab cov thawv, nws yog cov khoom siv txuag tau nyiaj. Cov qauv tsim hlau nrog cov hlau truss, ncej thiab kev txhawb nqa tshuab, tuaj yeem txo qhov hnyav, txuag tau 20 ~ 40% hlau, thiab tuaj yeem ua tiav kev tsim kho tshuab ...
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