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Hengtai (Hong Kong) koom nrog Co., Ltd. tam sim no muaj ntau tshaj li 400 tus qauv ua kua siv coj los ua kua zaub (LCM), thiab feem ntau ntawm cov khoom lag luam LCD yog cov khoom lag luam los ntawm cov neeg siv khoom. Cov neeg muas zaub tau txais tos nug thiab txiav txim kom peb cov khoom!