40 * 40 * 6m Square Tube Delivery- Royal Group 

Niaj hnub no, peb lub tuam txhab lwm batch ntawmcarbon steel square yeeb nkabua tiav thiab xa tawm, qhov kev txiav txim no yog ib qho kev txiav txim tshiab los ntawm peb cov neeg siv khoom qub uas tau koom tes ntau xyoo, nws tau koom tes nrog peb ntau tshaj 3 xyoos, thiab nws txaus siab heev rau txhua yam khoom peb muab, uas kuj yog kev lees paub. ntawm peb cov kev pabcuam thiab cov khoom, ua tsaug rau kev txhawb nqa mus ntev ntawm cov neeg siv khoom.