IDG Energy Investment Limited, an investment holding company, engages in the manufacturing of equipment applied in semiconductor and solar power businesses in the People's Republic of China. The company offers backside thinning, bulk cleaning, solvent, SPM cleaning, and PECVD equipment, as well as cleaning equipment and copper plating equipment. It is involved in the upstream oil and gas business; liquefied natural gas (LNG) liquefaction and exporting; and LNG importing, processing, and selling, as well as LNG logistics services. The company owns LNG export terminals in Canada; and a LNG receiving terminal in China. It also engages in the exploration, development, production, and sale of crude oil; and energy assets investment and management activities. The company was incorporated in 2016 and is headquartered in Central, Hong Kong.