Shannai is a brand of pneumatic components in Taiwan Province province, and 1990 entered the mainland market. In 2009, the company was reorganized and is now produced by Zhongshan Nelson Pneumatic Components Co., Ltd.

In order to prevent the counterfeit Chanel brand, the company relaunched the Nielsen brand, and together with Chanel Sun Rising, TOSAKA and Elk Air King, it formed the four main brands of Zhongshan Nielsen Company.

Chanes: pneumatic series

Nelson: Tools, pressure components

Elk: trachea

Tusaka: connectors and air guns