Tallest sectional height of an unsupported spiral staircase
- Who
- Guangdong Marubi Biotechnology Co., Ltd.
- What
- 11.995 metre(s)
- Where
- China (Shenzhen, Guangdong, China)
- When
- 26 December 2025
The tallest sectional height of an unsupported spiral staircase measures 11.995 m (39 ft 4.244 in)and was achieved by Guangdong Marubi Biotechnology Co., Ltd. (China) in Guangzhou, Guangdong, China, on 26 December 2025
The unsupported spiral staircase, called the Ribbon of Pearl River, is located in the OneM Center for Contemporary Art in Guangzhou.