Changyi Dongze Chemical Co.,Ltd. is located in the north suburb of China famous silk hometown----Changyi , and east coast of Laizhou bay of Bohai Sea. Here we have rich resources and convenient transportation.

Since its establishment, Dongze Chemical Co.,Ltd. has been engaged in the production, research and development with powerful technical strength, abundant capital and comparatively strong economic power. Our company mainly produces and researches dyes and dyes intermediates as well as pharmaceutical, pesticide intermediates and auxiliaries.

Our company has an experienced and skillful employees team and a whole set of quality control system. Now we produce azoic dyes including fast blue VB salt, fast blue VIT salt, intermediate P-Nitrochlorbenzene-O-Sulfonic acid. Fast Blue VB salt and fast blue VIT salt were designed and produced by engineering technicians in original Dyestuff Factory of Jihua Company. This plant has been improved on original technique equipment and product quality has been improved. We believe our customers will be more satisfied by our further optimized and packed products.

Since our company's establishment, our products have been well sold at home and abroad and well received and trusted by our customers. In 2005, our company was restructured. The factory which produced "Mudan" brand fast blue VB salt and fast blue VIT salt became our company's shareholder. The combination of "Changfei" brand fast blue VB salt and "Mudan" brand fast blue VB salt will make the new "Changfei" brand better than the original "Mudan" brand.

Giving priority to customers, quality and credit, our company are willing to serve new and existing customers and listen to the opinions of new and existing customers. We will produce the most satisfying products for our customers.