Fuzhou bodiless lacquerware tehniques have been passed down by oral tradition, but few written records exist. As a result, some skills have nearly vanished, she said.

Fuzhou's traditional bodiless lacquerware has a long history stretching to ancient China. The lacquerware, together with Beijing Cloisonne and Jiangxi Jingdezhen porcelain, are regarded as three treasures among Chinese traditional crafts.

In recent years, Sun has been making technical innovations to carry forward the traditional.

At the 2016 China Contemporary Arts and Crafts Biennale, Sun's "green treasure flash" bile bottle, was widely praised by experts and insiders and collected by the China National Arts and Crafts Museum.