Yuav ua li cas paub qhov txawv qhov zoo thiab qhov tsis zoo ntawm soft mica board

1: Ua ntej ntawm tag nrho cov, peb yuav tsum xub saib lub flatness ntawm mos mica board nto, tsis muaj unevenness, khawb.

2: Sab tsis tuaj yeem muab txheej, qhov txiav yuav tsum zoo huv si, thiab lub kaum sab xis yog 90 degrees.

3: Tsis muaj asbestos, tsis muaj pa taws thiab tsw ntxhiab thaum cua sov, txawm tias tsis muaj pa taws thiab tsis qab.