A cikin 'yan shekarun nan, fitilolin tsaro na hasken rana sun zama sananne saboda tanadin makamashi, sauƙin shigarwa, da fa'idodin da ba su dace da muhalli ba. A matsayin babban mai samar da tsaro na hasken rana, TIANXIANG ya fahimci mahimmancin kiyaye waɗannan fitilun don tabbatar da cewa suna aiki op ...
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