Nws yog hom dav dav ntawm lub qhov rooj pob khawm feem ntau siv rau lub qhov rooj iav, chav da dej.

Peb tau tshwj xeeb hauv qhov rooj hinges txij li xyoo 2010, peb lub pob khawm tuaj yeem dhau 24 teev nruab nrab ntsev tsuag tshuaj thiab tshuaj tua kua qaub .Tsis tas li ntawd, peb tshwj xeeb siv V groove spindie kom paub tseeb tias iav qhov rooj nrawm nrawm ntawm 0º thiab 90º

iav qhov rooj Thickness : Haum rau 8-10mm iav