Mitundu ya malonda a Grey Graphite Ring, ndife opanga apadera ochokera ku China, omwe amapangidwa ndi Gulf Graphite Ring ogulitsa / fakitale, zinthu zamtengo wapatali zomwe zimapangidwa ndi Graphite Ring RD komanso zopanga, tili ndi ntchito yogulitsa ndi yowona bwino thandizo. Yembekezerani kuti mugwirizane!
Dothi lopangidwa ndi graphite limapangidwa ndi ma graphite owonjezera popanda kukhuta kapena omanga. Palibe chitetezo chapadera cha kutentha kwafunikira. Kawirikawiri, ili ndi gawo lalikulu ndipo ili ndi V yojambulidwa.
