HH Biotechnology Holdings Co is a company principally engaged in commercial and residential real estate investment, development, sales or management. The Company operates through two segments. The Property for Sale segment is primarily engaged in real estate sales. The Rental Income and Income of Management Fee of Commercial Buildings segment is primarily engaged in rental income and management fee income of commercial buildings. The Company conducts all operations through its direct and indirect subsidiaries, which include Shenyang Maryland International Industry Company Limited and Silverstrand International Holdings Company Limited. The Company is focused primarily on real estate leasing, management and consulting activities in the city of Shenyang.