The top-seeded duo, who also competed at the Paris Olympics, showcased a dominant performance to outclass Li and Wang 21-18, 21-12 in the summit clash that lasted 43 minutes.
Saina lost 9-21, 12-21 in the women's singles clash that lasted just 24 minutes
Sindhu and Saina will once again be India's best bet as they look to put up a good show this week.
The Attri and Reddy duo made light-weight of their opponent
Nehwal has had a troubled run in this year as she has now faced exits from a tournament in the first round five times.