Sin Kwok Chi Stephen (冼國持) (“Mr. Sin”) has been appointed as an executive Director of our Company since 9 June 2021. He is primarily responsible for overseeing the management and daily operation of the Group. He joined our Group in February 2004 and was the chief project manager of our Group.

Mr. Sin obtained a bachelor’s degree in building services engineering, from Hong Kong Polytechnic University in November 2002. Mr. Sin has more than 23 years’ experience in the gate engineering industry.