Ntiaj teb no pob valve kev lag luam kev cia siab thiab kev tshawb fawb tob ntawm cov players loj, xws li Swagelok Company (USA), MRC Global Inc. (USA), Astech Valve Co. Ltd. (Taiwan), Cameron International Corporation (USA), thiab lwm yam.
Kev txheeb xyuas kev sib tw ua nyob rau hauv daim ntawv tshaj tawm pob valve tso cai rau koj paub txog kev ua ntawm cov neeg ua si loj hauv kev ua lag luam, xws li kev tshaj tawm cov khoom tshiab, kev nthuav dav, kev cog lus, kev sib koom tes, kev sib koom tes, thiab kev yuav khoom. Txoj kev tshawb fawb tseem ceeb siv los ntawm th...
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