Monga m'modzi mwa otsogola opanga makina opanga ndi ogulitsa ku China, tikukulandirani ndi manja awiri kuti mugulitse makina otsika mtengo opangira ma tubular heater omwe ali pano kuchokera kufakitale yathu. Zogulitsa zonse zosinthidwa makonda ndizopamwamba kwambiri komanso mtengo wampikisano.
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