WeiFang KaiLong Chemical Industry Co., Ltd. is a specialty manufacturer for food additives. Our main products are "Kaihua" Sodium Metabisulphite (Sodium For Food Use20000T/A, Industrial 80000T/A), Anhydrous sodium sulfite (20000T/A), formate (50000T/A), and so on. company located on the South bank of LaiZhou Gulf in Bohai ...