Yas vuam tsis siv neeg wedge welder txais cov txheej txheem kub kub, nrog lub zog siab, kev kub ceev thiab lub zog siab; haum rau 0.2-3.0mm thickness kub yaj cov ntaub ntawv xws li PE, PVC, HDPE, EVA, PP. Cov welder no feem ntau siv hauv txoj kev loj / kev tsheb ciav hlau, qhov tunnels, nroog subway, aquaculture, water conserver, kev lag luam kua, mining, landfill, dej phwj kho mob, waterproofing tej yaam num thiab lwm yam.