Xov xwm
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Qhov tshwj xeeb cam khwb cia silicon aluminium kub exchanger rau kev lag luam condensing low nitrogen gas boiler yog nrum los ntawm silicon aluminium alloy, nrog high kub pauv efficiency, corrosion kuj, durability thiab siab hardness. Nws muaj feem xyuam rau lub ntsiab tshav kub exchanger ntawm kev lag luam condensing gas boiler nrog ntsuas kub load hauv qab 2Nyeem ntxiv -
-Kev lag luam condensing cam khwb cia silicon aluminium gas cua sov rauv;Nyeem ntxiv -
Thaum twg peb tuaj yeem rov pib qhov kev sib pauv thoob ntiaj teb li qub?Nyeem ntxiv