investment and investment service being the company's central business and comprehensive real estate development and compreh-ensive logistics service being the two basic supportive fields, yud has established auni que business model with one center and two basic points to carry out short, mid, and long-term nvestment business with characteristics of mul tiregional ervice.currently, operated by different entities, the three backboned businesses, respectively being supportive, functional and strategic, have built a solid business structure for the company.