'one thousand lamps') is a town in Kunshan, Suzhou, Jiangsu, China.

[2] It is located 15 kilometers south of Kunshan city and borders Qingpu District, Shanghai on its east side.

It was also the birthplace of the famous Ming dynasty writer Gu Yanwu.

It was renamed Qiandun village in 1910, established as a township in 1950, and changed to its present name in 2003.

Gu Yanwu's grave is located at a quiet corner of the Gu Garden A unique exhibition with the town's namesake is Qiandeng Guan(Thousand Lamp Museum), with more than one thousand lamps, dated as early as Neolithic Age to modern times, spanning more than five thousand years.