Police have detained 32 people in a nationwide crackdown on "gutter oil", the Ministry of Public Security said in a statement on Tuesday.
China on Monday night officially recognized Libya's National Transitional Council as the ruling authority of the country.
An active trader in the business in Shanghai could make more than 60,000 yuan ($9,400) in the two months before the Mid-Autumn Festival.
Some companies stop producing protamine sulfate as the price can hardly cover the costs.
Anger over usage, Duan Yan and Wu Wencong report in Beijing.
China's inflation pulled back in August from a 37-month high, giving the government scope to hold off on further tightening of monetary policies.
The Autumn Moon rounds up sons and daughters working away who head home during this important festival on the Chinese almanac.
China still faces challenges to conquer birth defects as well as infant and young child mortality, a senior official from the Ministry of Health said on Friday.
Eleven people died and 16 others were injured after a ferryboat capsized and sank in a river in Central Hunan province Friday afternoon.
Chinese firms need a more "open and convenient" global investment climate to help companies invest internationally,the top commerce official said.
China has confidence in European economy and supports the euro zone's efforts to tackle its debt crisis.
The global retail giant Wal-Mart said on Wednesday that consumers who bought ordinary pork sold as higher-quality pork will get double their money back.