Dongguan Doty Optoelectronics Co., Ltd. tau tshwj xeeb hauv kev tsim cov chaw taws teeb tswj txij li xyoo 2009. Peb lub hom phiaj yog muab cov khoom lag luam uas ua tau raws li qhov xav tau ntawm cov tib neeg thiab cov tuam txhab siv lawv. Peb tsim…