Office Chair with Wide Backrest

Currently, there are relatively few office chair models that explicitly mention information related to wide backrests, but models that meet the requirements can be screened through keywords in product descriptions. Here is a detailed analysis:

1. Products explicitly involving wide backrests or wide seat surfaces

• SumLush Xiaumu Fit CC Ergonomic Chair: This model is labeled as having a "65.5cm wide seat surface" in Alibaba wholesale products. Although the backrest width is not directly stated, the mesh back design usually comes with a larger backrest coverage area, and a wide seat surface may correspond to a wide backrest to maintain overall proportional harmony. Its backrest has simple lines, suitable for users who need a larger back support space.
• ENOVA Alloy Master Ergonomic Chair: The backrest width is not explicitly mentioned, but it emphasizes the back frame material (aluminum alloy or nylon plastic) and chassis stability, making it suitable for long-sitting scenarios. If users do not have strict requirements for the backrest width, they can give priority to its ergonomic design.

2. Potential wide backrest products to be screened through keywords Some wholesale product descriptions mention keywords such as "high back" and "executive chair". Although no specific dimensions are given, such designs usually come with a wider backrest structure. For example:

• Executive Manager High-Back Genuine Leather Executive Chair: The genuine leather material and high-back design imply that its backrest may be wide, suitable for office scenarios that require a sense of luxury and support.
• Other models labeled as "wide-body design": If such terms are explicitly included in the product description, users can further contact the seller to confirm the backrest width parameters.

3. Purchase suggestions

• Prioritize confirming dimensional parameters: When choosing, users should ask the seller for specific data on the backrest width, height, and seat depth to ensure they meet ergonomic requirements (for example, it is recommended that the backrest width be ≥50cm to support the scapular area).
• Pay attention to design types: Mesh back chairs have good air permeability but may have relatively weak support, suitable for use in the south or in summer; sponge or genuine leather back chairs have strong support but require attention to air permeability.
• Match the usage scenario: If long-term sitting (e.g., more than 8 hours) is required, it is recommended to choose models with adjustable lumbar supports and headrests to distribute spinal pressure.

Summary: The SumLush Xiaumu Fit CC Ergonomic Chair is an optional model that explicitly mentions a wide seat surface, while the ENOVA Alloy Master and some wholesale products need to be screened through keywords and have their dimensions further confirmed. When making a purchase, users should make a comprehensive judgment based on specific parameters and design types.