Dacheng Chicago Law Offices officially opened its business in downtown Chicago in 2011. Attorney John Z. Huang is a senior partner and director of Dacheng Chicago Law offices. John Z. Huang & Associates has provided clients with ethical, high-quality, and cost- Effective service services for over twenty years. Our service areas include corporate and commercial transactions, merger & acquisition, OTC Bulletin Board, international business, real estate transactions, commercial litigation, intellectual property, and immigration. We are the legal representative of many companies and individuals in the United States. Our extensive network within the legal community enables us to quickly locate outside counsel on an as-needed basis while saving clients time and money in the process.