Moifo oa LED oa Zhang Zhongjian, Mopresidente oa Zhuzhou Cemented Carbide Association, o Etetse Khampani ea Rona.

Ka la 20 Hlakola, nakoana kamora Mokete oa Lantern, moifo o etelletsoeng pele ke Zhang Zhongjian, Mopresidente oa Zhuzhou Cemented Carbide Association, o ile oa etela khamphani ea rona.Zhuzhou Cemented Carbide Association ke mokhatlo o etelletseng pele indastering ea carbide e samenteng Zhuzhou, mme Mopresidente Zhang ke motho ea hlahelletseng lekaleng la lehae la carbide e entsoeng ka samente.Nakong ea ketelo, Mopresidente Zhang le moifo oa hae ba kene lipuisanong tse tebileng le puisano le sehlopha sa batsamaisi ba k'hamphani ea rona.Ba re tsebisitse ka mekhoa ea morao-rao indastering ea machaba le ea malapeng, ba botsa ka hloko ka tlhahiso ea k'hamphani ea rona le boemo ba ts'ebetso ea bona, hape ba fana ka litlhahiso bakeng sa nts'etsopele ea k'hamphani ea rona ka selemo sa 2019.