OSL Group Limited 

BC Technology Group Limited, an investment holding company, provides marketing communications and technology solutions in the People's Republic of China. It operates through Traditional Advertising, Wireless Advertising, Business Park Area Management, and Digital Assets and Blockchain Platform Business segments. The Traditional Advertising segment offers traditional advertising, public relation, and event marketing services. The Business Park Area Management segment provides operation and management services in business park area. The Digital Assets and Blockchain Platform Business segment is involved in the trading of digital assets in the over-the-counter market; provision of automated digital assets trading services through its proprietary platforms and licensing of its proprietary platforms; technology solutions as software-as-a-service; and others related businesses. The Wireless Advertising segment offers provision of wireless advertising services. The company was formerly known as Branding China Group Limited and changed its name to BC Technology Group Limited in June 2019. BC Technology Group Limited was founded in 2003 and is based in Causeway Bay, Hong Kong. BC Technology Group Limited is a subsidiary of East Harvest Global Limited.