Table manners are an essential part of Chinese culture. Chinese people attach great importance to table manners, which reflect their politeness, hospitality, and respect towards others. If you are planning to dine with Chinese people, it is important to familiarize yourself with the following 20 table manners so that you don't accidentally offend them:

1. Wait for the host to invite you to start eating before picking up your chopsticks.
2. Never stick chopsticks upright in a bowl of rice, as it is considered a bad omen.
3. Don't eat with your mouth open or make loud noises while chewing.
4. Avoid blowing your nose or spitting food out at the table.
5. Do not leave any food on your chopsticks or in the bowl.
6. Do not reach across the table to grab food, instead, ask the person closest to it to pass it.
7. Take only what you can eat and do not waste food.
8. Use the appropriate serving utensils instead of your chopsticks to pick up dishes.
9. Don't play with your utensils or make sounds with them.
10. Eat slowly and pace yourself, rather than rushing to finish your food.
11. Don't use your chopsticks to point at people or objects.
12. Hold the rice bowl close to your mouth when eating.
13. Don't drink too much alcohol, and always toast the host before drinking.
14. Keep your napkin on your lap, and do not use it as a handkerchief.
15. Do not talk with your mouth full or while chewing.
16. Always show appreciation and compliments towards the host's cooking.
17. Use the communal chopsticks to pick up food that is in the center of the table.
18. Do not take the last bite of the dish, as it is often a sign of politeness for the host to finish it.
19. Avoid using your phone or other devices during the meal.
20. Offer to pay for the meal or at least offer to split the bill.

In conclusion, table manners are an integral part of Chinese culture, and adhere to them demonstrates respect and consideration towards others. Following the above 20 table manners will assist you in avoiding any faux-pas while dining with Chinese people.