Wang Chenggang, left, and Cai Yarui in their studio, May 4, 2015. [Photo/CFP]

Carpenters Cai Yarui, 34, and Wang Chenggang, 36, have a studio in Chongqing.

Cai, who also works for a laser equipment company, inherited the studio from his father two years ago, having as a child enjoyed making knickknacks for friends.

Wang also has another job, working for China Mobile. He learned carpentry from a famous Chinese master, Ke Yumin.

The pair currently provides materials for people wishing to learn the skill and the studio also offers free courses to children wishing to study the craft.