Kuyambira pa Julayi 3, 2019 mpaka Julayi 5, 2019, Shanghai Ruifiber yachita nawo chiwonetsero cha SHANGHAI COMPOSITES EXPO 2019 mumzinda wa Shanghai, ichi ndi chiwonetsero chathu choyamba mu Shanghai COMPOSITES EXPO 2019. mankhwala amaikidwa scrim, fiberglass mauna, fiberglass mauna tepi etc.Zikomo chifukwa chochezera Shanghai Ruifiber ku SHANGHAI COMPOSITES EXPO 2019