In a lop-sided affair, the Indo-Czech pair defeated the Chinese 6-1, 6-1 in just 51 minutes.
Sania and Strycova, on Friday defeated unseeded pair of Canada’s Gabriela Dabrowski and Spain’s Maria Jose Martina Sanchez 4-6, 6-3, 10-5 in semi-final.
Coming to the match, the Sania-Strycova pair started the proceedings on a positive note. In no time they took the lead and pushed back their opponents to bag the first set.
In the second set, the Chinese pair tried to bounce back but Sania-Strycova managed to hold them to bag the title. Liang and Yang made three double faults while the Indo-Czech pair made only one.
This is Sania’s 40th doubles title, of which 18 have come since the beginning of 2015. She had earlier won the same title with Zimbabwe player Cara Black twice.
Earlier, Sania and Strycova won the Cincinnati Open last month by beating Swiss great Martina Hingis and Coco Vandeweghe 7-5, 6-4 in the summit clash.
The pair has played one Grand Slam together, the US Open last month but suffered a defeat in the quarter-finals. Caroline Garcia and Kristina Mladenovic defeated them in straight sets in New York.