The Intermediate People's Court of Guangzhou City, capital of Guangdong Province, ruled that Feng Guiquan, Li Yuxiong and Luo Songyao were found guilty of manufacturing methamphetamine from November 2010 to May 2011.
Police arrested them on May 8, 2011 and confiscated 70.28 kg of methamphetamine.
They also confiscated more than 620 kg of 0.24-per cent pure methamphetamine at Luo's house.
According to the court order, Feng was given the death penalty, Li was sentenced to death with a two-year reprieve and Luo was sentenced to 15 years in jail and 200,000 yuan (USD 32,620) of his personal property was confiscated.
Seventy-three people were sentenced for manufacturing, smuggling, selling or transporting drugs, and their sentences range from six months in jail to the death penalty, state-run Xinhua news agency reported today.