黃灌球先生，1960年11月出生，香港大學社會科學學士。1992年8月至2007年11月，任法國巴黎資本(亞太)有限公司亞洲投資銀行主管之前，曾先後就職於獲多利投資服務有限公司、美國銀行信托(香港)有限公司、野村國際(香港)有限公司、Samuel Montagu & Co., Ltd.。2007年7月創立Bull Capital Partners Ltd.(在開曼群島注冊成立)並擔任董事。2015年8月起，任REF Holdings Limited(於香港聯交所上市，股票代碼：1631)獨立非執行董事;2020年2月起任建中建設發展有限公司(於香港聯交所上市，股票代碼：0589)獨立非執行董事。黃灌球先生在投資銀行及企業融資方麵擁有逾28年經驗。黃灌球先生還曾於2010年8月至2019年5月任中國西部水泥有限公司獨立非執行董事;曾於2012年5月至2016年6月任安徽海螺水泥股份有限公司獨立非執行董事;曾於2013年8月至2017年5月任三盛控股(集團)有限公司獨立非執行董事;曾於2014年6月至2017年6月任中國聖牧有機奶業有限公司獨立非執行董事。2021年4月起，出任本公司獨立董事。

Mr. Wong Kun Kau, born in November 1960, graduated from the University of Hong Kong with a bachelor’s degree in social science. From August 1992 to November 2007, he worked as the head of BNP Paribas Capital (Asia Pacific) Limited of Investment Banking – Asia., Before it, he worked with Wardley Investment Services Ltd., Bank America Trust Co., (HK) Ltd., Nomura International (HK) Ltd., and Samuel Montagu & Co., Ltd. He is the founder and has served as a director of Bull Capital Partners Ltd. which is incorporated in the Cayman Islands since July 2007. He has been an independent non-executive director of REF Holdings Limited (a company listed on SEHK, stock code: 1631) since August 2015, and he has been an independent non-executive director of Jianzhong Construction Development Limited (a company listed on SEHK, stock code: 0589) since February 2020. Mr. Wong Kun Kau has over 28 years of experience in investment banking and corporate finance. From August 2010 to May 2019, he served as an independent non-executive director of West China Cement Limited. From May 2012 to June 2016, he served as an independent non-executive director of Anhui Conch Cement Company Limited. From August 2013 to May 2017, he served as an independent non-executive director of Sansheng Holdings (Group) Company Limited. From June 2014 to June 2017, he served as an independent non-executive director of China Shengmu Organic Milk Limited. He has been Director of the Company since April 2021.