Pingyuan Yongheng Chemical CO.,LTD (No.1 Dyestuff Factory of Pingyuan County,Shandong Province) was established in 1989.It is specialized in producing dyestuff Intermediates, Pesticide Intermediates and Pharmaceutical Intermediates including J acid urea , Cleves Acid and Isocyanate Varieties etc. Pingyuan Yongheng Dyestuff Chemical Co.,LTD , invested with 50 million yuan, It can produce10000 ton various kind of intermediates per year. There are over 80 technicians in different fields in our company. Our company owns advanced production line sand checkout equipment, perfect research capacity and self-support import and export authority. We have detecting instruments such as HPLC, HPGC, and Photoelectric colorimeter. This is the basis of providing top-quality products for our clients, and more over , we have advanced management of quality control. Our product quality has reached a new step by adapting high technology and manufacturing technique.