Key Management

    Mr Liu Zhong Hua is responsible and oversees the operation of the sales and procurement functions of Dongming Hengchang. Mr Liu started his career as a technician in Dongming County Petroleum Refining Factory in 1990 and was mainly responsible for managing the operational efficiency and effectiveness of the company.

    He was subsequently responsible for the procurement of crude oil and related materials for the Group prior to joining us. Mr Liu obtained a Bachelor’s degree in Management Engineering from China University of Petroleum in July 1990 and a Masters in Industrial Engineering from Shandong Technology University in June 2006. He received a professional senior economist qualification from the Economic Profession Accreditation Committee in October 2002.


    Mr William Tan joined the Group on 2 May 2008 and he is responsible for the overall financial and accounting functions of our Group. He is also the acting financial controller of subsidiary Dongming Hengchang Petrochemical Co.,Ltd.

    Mr Tan started his career as an audit assistant at a local audit firm in 1990. From 1992 to 2001, he was Managing Director for a local small and medium enterprise before joining Nixvue Systems Pte Ltd as Financial Controller from 2002 to 2005. From 2005 to 2007, William Tan was the Group Financial Controller of Unidux Electronics Ltd where he was responsible for the overall finance & accounting, human resource, business development & planning functions of the group. In July 2007, he joined SNF Corporation Ltd as Group Chief Financial Officer. In 2008, William Tan was engaged as a financial consultant by Sinocome Solar Group, a solar energy solutions provider in Beijing. From 2012 to 2015, William Tan was a non-executive independent director of China Sky Chemical Fibre Co. Ltd, a company listed on the Mainboard of the SGX-ST. He is a non-executive independent director of Unusual Limited since 7 March 2017.

    Mr Tan is a non-practicing member of the Institute of Singapore Chartered Accountants and a fellow of the Association of Certified Chartered Accountants (UK).


    Ms Yang Guilian was appointed as General Manager of Dongming Changshun in August 2017.

    Ms Yang joined Shandong Petroleum in 1995 and served in the Monomer Casting Nylon Division until 2001. She was promoted to the Director of the Liquified Petroleum Division in 2012, after working in the division from 2001. From 2013 to 2015, she acted as the Deputy General Manager of the Jiangsu Xinhai Petroleum Company. In 2016, she then returned to Shandong Dongming as Deputy General Manager.

    Ms Yang obtained a post-graduate degree from the Beijing University for Business Administration in 2011 and completed her undergraduate degree at Xidan University. In 2012, she attended the China University of Petroleum in Huadong. Ms Yang is also studied Economics and Management at the Party School of the Shandong Provincial Committee of the Communist Party of China.