Kaisun Holdings Limited, an investment holding company, engages in the mining, exploitation, processing, production, and sale of coal in Hong Kong, the People’s Republic of China, Vietnam, and internationally. It operates in three segments: Coal Mining Business, Consulting and Media Service Business, and Corporate and Investment Business. The company provides supply chain management services for the mineral business; produces mining and metallurgical machinery; and manufactures coal mining related equipment. It also engages in the provision of corporate, consulting, logistics, advertising, public relationship event, and trust and trustee services; organizing e-sport events; and construction and operation of a railway logistic platform.