Shanghai Han Feng Chemical Co.,Ltd, founded in 2006s,It has potent capability of technology and production.5 Doctors and more than 20 scientists and engineers are working in R&D center of the company,devoting themsolves to the research and development of new institutes, especially for OLED and OPV materials. Hanfeng also enjoys an extensive cooperation with famous universities and institutes,Our aim is to support you with superior-quality product and service.Hanfeng provides the best service and creats the bright new future,we will provide the best products and service for customers and society. Hanfeng is your reliable and committed partner.we are ready to offer the best quality and service to all of you.