UNTtxuas SystemUNTDuct System
Cov Panels: Kaw PIR / PU / Phenolic ua npuas ncauj sandwich panels them nrog aluminium ntawv nyiaj
Khoom siv: kev siv tes ua haujlwm thiab tshuab tshiab;
Accessories: flange, seem bar thiab lwm yam khoom siv rau cov ciav txuas thiab installation
Kev Txhawb: kev kawm tshwj xeeb rau cov khoom siv ciav hlau
