Rounded ruler is a set of ruler designed for children. With specific design, it is aimed at removing the hidden danger of existing ruler. Wrap the sharp corners of the ruler, it seems that the ruler has been put on a protective casing. Therefore, it can help children draw a straight line and measure the length or angle. Meanwhile, it is safer and more suitable for children.

Dongguan GAFA Cultures & Creativity Institute is principally engaged in cultural and creative industries in Guangdong Province, China. And it's co-founded by Guangzhou Academy of Fine Arts School and Dongguan municipality government in 2015. It operates its bussiness through fashion design, brand strategy, cultural product design, fashion and design education, incubator, intangible cultural heritage, event organization and so on.