Citric acid mainly used as sour agent, flavoring agent antiseptic and antistaling agent in food and drink industrial, it is also used as antioxidant, plasticizer and sour in cosmetic industry, chemical industry, washing industry and so on. Packing types just as packed in a bag per 25kgs, 500-1000kgs and 1000kgs to each tray. We also can offer some other types of packages according to customers¡¯ requirements.