Food safety is a big social problem in China right now and is causing wide social attention. There are already many applications and systems aiming for food safety in China, such as tracking and tracing system for swine/buel industry, liquor,milk, etc., but the convenience, compatibility, and extensibility are to be improved, and the cost is needed to be lowered as much as possible. This project is aiming to break through the key technologies, to build an open, standardized, credible application service pla...