4. Pork-based Beef
If you are going to eat beef in a Chinese restaurant or getting some beef shipped from China, chances are you could be eating pork. The reason is simple – pork is much cheaper. Unfortunately, the pork undergoes a chemical treatment to alter its taste and appearance.
In fact, these restaurants will use a glazing agent and beef extract to marinate the pork for up to 2 hours. The chemicals are said to cause poisoning, deformity, and even cancer after prolonged use. via ChinaSmack