Zibo zichuan chengpeng chemical factory established in 1999，is a professional manufacturer of alum product and no iron aluminum sulfate in China. Zibo zichuan chengpeng chemical factory gathers the production，sell, trade, the technique develop service in the integral whole. Authorized import & export licence. Main sale ammonium alum, high purity ammonium alum and aluminium potassium sulfate and no iron aluminum sulfate. These products are widely used in various industries for various purposes, ...