Tsis khoom thaum kawg ntawm lub xyoo, nquag xa khoom, hnub no peb xa cov khoom siv yog ib qho ntawm ob lub PVC yeeb nkab kab, ua ntej saib cov ntaub ntawv tseem ceeb ntawm cov khoom siv no! 2 kav PVC ntau lawm kab PVC ib qho tawm ob lub extruder tuaj yeem tsim ob lub yeeb nkab kab tib lub sijhawm, nrog rau kev tsim tshwj xeeb, siab ...
Nyeem ntxiv