WDB Holdings Co Ltd is a Japan based holding company engaged in providing human resource services. It specializes in temporary staffing and permanent employee introductions in fields such as biotechnology and chemistry research and development. The company operates in the businesses of Human resource services, CRO business, Contract research business, and Interaction business. In Human resource services, the company provides temporary staffing and recruiting services. In the CRO business, it offers support from basic research to clinical trials in the pharmaceutical, medical and other industries. The company operates contract research business in the fields of new materials, marine organism and industrial machinery.