A tọọrọ ntọala na 2000, nke nwere ebe ndị agha, a na-ejikwa ya na ụwa arụmọrụ dị elu maka nnweta, ụlọ ọrụ, ndị agha na ahụike. O nwere ntọala R & D R & D na US, Finland na Shanghai, na lasers ndị agha si United States. Nkacha nke teknuzu, nyocha laser na mmepe, usoro nrụpụta, usoro nyocha dị ukwuu. neplight fiber ...
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