Union Gas Holdings Limited announced the appointment of Mr. Teo Hark Piang as executive director and director of sales (Commercial and Industrial). Working Experience: 2003 to Current: Executive Director, Union Energy Corporation Pte Ltd, Summit Gas Systems Pte Ltd, Sembas (Asia) Trading Pte Ltd, Jurong Ind. LPG Pte Ltd, Gasmart Pte Ltd, Choon Hin Gas Supply Pte Ltd, Firstway LPG Pte Ltd, Semgas Supply Pte. Ltd., Semgas (S) Pte. Ltd. and Union Power Pte Ltd.