Caw rau 400MM PVC-AM MRS50 Lub Cav Trial
Txij 15 txog 20 Kaum ib hlis, peb yuav sim peb tiam tshiab ntawm PVC-ORS50 TSHUAB, loj li ntawm 160mm-400mm. Hauv 2018, peb pib tsim cov PVC-o thev naus laus zis. Tom qab rau xyoo ntawm kev loj hlob, peb tau txhim kho machine tsim qauv, tswj cov kab ke, hluav taws xob sib xyaw ...