Kangrun branch is located in the Yihua factory area. It has more than 50 employees. It is a professional supporting production enterprise of polyester and PTA catalysts and additives of Yihua Company, and the main domestic manufacturer of WS-23. The products are widely used in polyester, chemical fiber, petrochemical and other industries. The annual production capacity of the main production units are: liquid cobalt manganese acetate 5000t, cobalt manganese bromine ternary composite catalyst 2000t, hydrobromic acid 1500t, ethylene glycol antimony 1200t, WS- 23 products 30 tons.