Office Chair Brand SO and Its Relation to Sihoo
There is no clear association between the 'SO office chair' and the Sihoo brand; Sihoo is an independent ergonomic furniture brand. Here is a detailed introduction to the Sihoo brand:

Sihoo (SIHOO) is an ergonomic furniture brand under Shenzhen Sihoo Intelligent Furniture Co., Ltd., established in 2011. Its core business focuses on the research and development, production, and sales of ergonomic chairs, height-adjustable desks, and related products, committed to enhancing user experience and health through scientific design.
Sihoo's product line covers the entire market spectrum from high-end to entry-level, primarily divided into three major series: Doro, Vito, and Smart. The Doro series targets the high-end market, emphasizing technological innovation and ultimate comfort, often incorporating cutting-edge technologies such as dynamic adjustment and intelligent support. The Vito series focuses on the mid-to-high-end market, balancing performance and cost-effectiveness, suitable for users with high-quality requirements. The Smart series is aimed at the entry-level market, meeting the needs of the general public with basic functions and affordable prices. This tiered strategy enables Sihoo to cover a broader consumer base.
As an industry benchmark, Sihoo excels in standardization. It led the formulation of the 'Technical White Paper on Ergonomic Office Chairs,' clarifying the design principles and technical specifications for ergonomic chairs, providing a reference for the industry. Additionally, Sihoo participated in drafting two national standards: GB/T 39223.3-2020 'Ergonomic Requirements for Healthy Homes - Part 3: Office Chairs' and GB/T 39223.4-2020 'Ergonomic Requirements for Healthy Homes - Part 4: Children's Desks and Chairs,' promoting the standardized development of the ergonomic furniture industry.
Currently, public information does not mention a direct relationship between the 'SO office chair' and the Sihoo brand, nor has it been found that Sihoo has a product line named 'SO.' For further confirmation of the ownership of the 'SO office chair,' it is recommended to verify through the brand's official website, official customer service, or authoritative industry reports to avoid information errors.




