What are the weight allowances for hand luggage and checked in luggage on domestic flights?

According to the regulations of General Administration of Civil Aviation of China, any passenger holding an economy class adult ticket is entitled to bear the luggage of 20 kg (about 44 pounds) free of charge (checked and carry-on luggage). The size of each carry-on luggage should be smaller than 20 X 40 X 55 centimeter (7.8 X 15.7 X 21.6 inches) and total weight should be less than 5 kg (11 pounds).