Ndị nnọchi anya LED nke Zhang Zhongjian, Onye isi oche nke Zhuzhou Cemented Carbide Association, gara leta ụlọ ọrụ anyị.

Na February 20th, obere oge ka Ememe Lantern gasịrị, ndị nnọchi anya Zhang Zhongjian, Onye isi oche nke Zhuzhou Cemented Carbide Association, gara leta ụlọ ọrụ anyị.Zhuzhou Cemented Carbide Association bụ nzukọ na-eduga na ụlọ ọrụ carbide cimented na Zhuzhou, na Onye isi ala Zhang bụ onye ama ama na mpaghara ụlọ simented carbide.N'oge nleta ahụ, Onye isi ala Zhang na ndị nnọchiteanya ya so ndị otu njikwa ụlọ ọrụ anyị nwere mkparịta ụka miri emi na nkwurịta okwu.Ha kọwapụtara anyị usoro kachasị ọhụrụ na ụlọ ọrụ mba ụwa na nke ụlọ, jiri nlezianya jụọ maka mmepụta na ọnọdụ ọrụ ụlọ ọrụ anyị, ma nyekwa aro maka mmepe ụlọ ọrụ anyị n'afọ 2019.