SIHOO is a global leader in ergonomic office furniture, designing high-quality mesh chairs and desks that promote health, comfort, and productivity.
SIHOO is a renowned specialist in ergonomic furniture, dedicated to offering healthy and comfortable seating solutions for modern workspaces and homes. With a presence in over 100 countries and millions of households worldwide, SIHOO combines advanced ergonomic technology with durable materials to create chairs that support the natural curvature of the spine. Their product lineup includes popular models like the M18, M57, and Doro series, all designed to reduce fatigue and enhance well-being during long hours of sitting.
Committed to innovation and quality, SIHOO rigorously tests its products to meet international standards. The brand focuses on providing adjustable features—such as headrests, lumbar support, and armrests—allowing users to customize their seating experience for maximum comfort. Whether for professional offices, gaming setups, or study areas, SIHOO strives to improve the quality of life through superior ergonomic engineering.
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First, ensure that the screws connecting the armrest are tightened sufficiently. If the issue persists, check the stability of the armrest pad itself.
Please contact SIHOO customer support with your order details to arrange for a replacement backrest.
Adjust the chair to its maximum height using the lever. If it is still not suitable, the gas lift may need to be replaced. Contact support for assistance.
Check if all parts and screws are installed tightly. If the noise continues, there might be an issue with the mechanism. Recording a video of the issue can help support diagnose it.
It is recommended to leave the chair in a well-ventilated room for 2-3 days before use to allow any new-material odors to dissipate.
Contact SIHOO support immediately with your order number and photos of the product and packaging. Keep all packaging materials until the claim is resolved.