Weifang Dayoo Biochemical Co., Ltd., established in 2006, is located in hi-tech industry park, which is a science and technology intensive manufacturing enterprise of R&D, manufacturing and selling chemicals for thermal paper,chemicals for oilfield, Intermediates,Bromine Compounds and Pesticides. Weifang Dayoo is carrying out "technology-based, win-win cooperation" operation strategy, paying attention to the life and health of the staffs, Seriously fulfilling its social responsibility, paying attention to safety and environmental protection and the continuing improvement of product quality. To create value and perfect service for clients continuously, to establish long term and wide strategic cooperation and realize win-win. In order to realize the sustainable development, Weifang Dayoo established complete R&D system, formed R&D teams and established co-development relations with Shanghai Fudan University, The Chinese Petroleum University and Shandong Light Industrial Institute separately. Till now we have successfully developed DPE product, and two products has applied patents. The standardized management of Weifang Dayoo has received general recognition from clients. Weifang Dayoo strengthened management, equipped with advanced test equipment, such as HPLC and GC, etc. Weifang Dayoo has passed quality authentication of ISO9001/14001 and OHSAS18001, which assured the stable product quality. And Weifang Dayoo has smoothly passed the audit and factory inspection by clients from Japan, Korea and Indonesia. Recent years, Weifang Dayoo broaden her mind to develop multiple forms of cooperation with clients, established closed partnership with Connect by studying and the verification of business cooperation, having completely advantages, powerful cooperation, which provided a good space and future for the company development and professional production. We really appreciate the great support from every client,under your help we believe our dream of "Becoming the professional producer of chemicals for thermal paper in China" will be surely come ture.