Cov cuab yeej siv tau zoo, cov neeg ua haujlwm tau nyiaj tau los, thiab cov kev pab cuam tom qab muag zoo dua;Peb kuj yog ib tsev neeg loj sib koom ua ke, leej twg lo rau lub tuam txhab tus nqi "kev sib koom ua ke, kev mob siab rau, kev ua siab ntev" rau Flexible Pipe Joint Connector,Exhaust Expansion Joint, 310 Expansion Joint, 2 nti Expansion Joint,Luj tshib.Rau cov khoom siv roj vuam zoo & txiav cov khoom siv raws sijhawm thiab ntawm tus nqi tsim nyog, koj tuaj yeem suav nrog lub tuam txhab npe.Cov khoom yuav muab rau thoob plaws ntiaj teb, xws li Europe, Amelikas, Australia, Bolivia, moldova, Paraguay, Guatemala.Ua kom cov khoom zoo los ntawm kev xaiv cov neeg muab khoom zoo tshaj plaws, peb kuj tau siv cov txheej txheem tswj xyuas zoo thoob plaws hauv peb cov txheej txheem.Lub caij no, peb nkag mus rau ntau lub chaw tsim khoom, ua ke nrog peb cov kev tswj hwm zoo, kuj ua kom peb tuaj yeem ua tiav koj cov kev xav tau ntawm tus nqi zoo tshaj plaws, tsis hais qhov loj me.