2016 yog lub xyoo kub ntawm qhov nce ntawm laser projection. Raws li cov ntaub ntawv ntawm AVC lub koom haum, qhov muag ntim ntawm lub lag luam laser projection tshaj 150,000 units, thiab qhov muag ntim nce mus txog 5.5 billion RMB. Ntawm lawv, laser kev kawm projection lag luam yog sti ...
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