Dab tsi yog sab hauv ntoo yas board

Nyob Sab Hauv Tsev Ntoo-Yas Board yog ib qho tshiab ntawm ib puag ncig lub tsev cov khoom ua los ntawm kev sib xyaw ntawm cov ntoo thiab yas. Nws muab cov ntoo ntxhib los ntawm cov ntoo thiab lub durability ntawm cov yas, kov yeej cov shortcomings ntawm cov ntoo tsoos uas yooj yim rau kev lwj thiab deform thiab yas uas tsis muaj kev ntxhib los mos. Qhov muaj pes tsawg leeg ntawm cov ntoo yas pawg yog feem ntau sib xyaw ntawm cov ntoo hmoov thiab yas. Tom qab high-kub ua thiab cov tshuaj ntxiv tshwj xeeb, nws nthuav tawm cov tsos thiab zoo ib yam li ntoo ntuj.