1. Himadri Speciality Chemical Ltd.
2. Shijiazhuang City Horizon Chemical Industry Co. Ltd.
3. Shandong Wanshan Chemical Co. Ltd
4. Henan Aosida Chemicals Co. Ltd.
5. Wuhan Xinyingda Chemicals Co. Ltd (XYD CHEM)
6. Beijing Jiankai Concrete Admixture Co. Ltd.