China's Li Xueying set a new Olympic record in winning the women's 58kg weightlifting category at the ExCel Arena with a combined total of 246kg.
Xueying also set a separate Olympic record of 108kg in the snatch and equalled the previous best in an Olympics with a 138kg clean and jerk.
Thailand's Pimsiri Sirikaew was second with a total of 236kg, while Ukraine's Yuliya Kalina was third with 235kg.
Britain's Zoe Smith was second in Group B
with 211kg, 11th overall.
Xueying is a wheat farmer's daughter from Henan province and professed not to be excited about London before the Olympics started.