Corn plastic is a kind of environmental friendly, safe biodegradable plastic, contains polylactic acid，PLA. It is produced from corn starch fermentation lactic acid, generated by special polymerization process. Corn has the advantages of good biodegradability, good mechanical and physical properties. It is a new kind of environmental protection and sustainable development material. Saint has mature corn plastic manufacturing technology and equipment so that we can produce more environmentally friendly and healthy products.