天行系統有限公司 （旺角）
教育．培訓 / 電腦 / MS-Office 應用
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天行系統有限公司 （旺角）簡介
Established in 1990, Welkin Systems Limited is an IT training and systems consultancy offering services to governmental departments, corporations, IT and office professionals. Welkins vision is to become the most preferred and trusted IT partner of its cu
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