The female cubs weighed 110 grams and 101 grams respectively, according to the Chengdu Giant Panda Breeding Center.
The mother, named Qiyuan, has given birth four times in the past.
"After giving birth, she caressed and licked the babies, developing strong maternal and nursing experience," Wu Kongju, a panda expert at the centre said.
Pandas are in the high season of reproduction, and experts at the center said they have gone to great lengths to take care of the mothers and their babies.
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China aims to increase the population of giant pandas living in captivity to 500 by 2020 with the current number of the endangered animals living in santuaries is at 422 at the end of last year.
In 2015, 43 cubs were born in captivity and 40 survived with 28 being twins, according to a statement by the State Forestry Administration (SFA). China aims to increase the captive giant pandas population to 500 by 2020.
In the last five years, four giant pandas were successfully reintroduced into the wild.