Su Jia Trading Co.,ltd Zhengzhou was established by Zhengzhou Sujia Chemical Co., Ltd & Shanghai Sujia Industry Co., Ltd. We specialize in the production of Basic Chemicals, fire-proof & wear-rest Chemicals, phosphorous chemicals and oleo chemical chemicals. Because of the rich experience and good reputation, our markets have expanded to North America South America, Europe, the Middle East, Southeast Asia and other countries and regions, totally more than 20 countries and regions