The manufacturer should maintain the quality and standard of such quality certification marks have been FDA approved and developed better, because the consumer is very important in this aspect but still interested in intermediate.
Manufacturers should maintain standards of cleanliness and quality have been the hallmark of so. And improved. Because consumers pay more attention in this field, but much remains to be interested in the medium.
The manufacturer should maintain the cleanliness and quality of certified quality, such as the FDA and develop better. Because the consumer focus in this field, but still interested in the medium.