Office Chair with Fixed Rocking Function

Office chairs that strictly support the 'fixed rocking' function need to be confirmed based on specific designs. However, the DJ-11 computer chair can indirectly achieve a similar effect by adjusting resistance, while some other models may have a rocking function but without explicitly stating fixed characteristics. Here is a detailed analysis:

1. DJ-11 Computer Chair: Achieving 'Controllable Rocking' through Resistance Adjustment
The rocking function of the DJ-11 computer chair is realized through an angle adjuster, supporting a large-angle recline (usually up to 135°-160°). Its core design features a knob for adjusting resistance: Turning it left loosens the resistance, suitable for users with a smaller body weight, allowing them to easily enter a rocking state with minimal resistance when reclining; turning it right tightens the resistance, suitable for users with a larger body weight, requiring them to exert a certain amount of force when reclining, indirectly achieving a 'fixed rocking' effect—that is, by adjusting the resistance, the chair remains stable at a specific recline angle, preventing excessive recline or inability to fix the position due to differences in body weight. Additionally, this model offers a pull-out footrest, allowing users to fully extend their legs during lunch breaks for enhanced comfort.

2. Gedeli G22 Ergonomic Chair: Rocking Function with Unclear Fixed Characteristics
The Gedeli G22 emphasizes comfort design, featuring functions such as automatic surrounding support for the waist, a 6-way dual-joint headrest (adjustable in height and rotation), and 360-degree rotating armrests. It may include a rocking function (such as recline adjustment). However, according to publicly available information, its rocking function does not explicitly state whether it supports fixed angles, focusing more on dynamically fitting the body's curves, suitable for users who need flexible adjustment of their sitting posture rather than strict 'fixed rocking' requirements.

3. Other Models: Vague Descriptions of Rocking Function
Some office chairs (such as the 599-yuan ergonomic chair produced by Anji Zherui Furniture Co., Ltd.) mention 'rocking' characteristics in their descriptions but do not explicitly state whether they support fixed functions. Such products may only offer basic recline adjustment without the ability to fix the angle through resistance or locking mechanisms, requiring further consultation with the manufacturer to confirm the specific design.

Summary and Recommendations: If an office chair that explicitly supports the 'fixed rocking' function is required, the DJ-11 computer chair is the closest option based on the current reference information, with its resistance adjustment mechanism indirectly achieving angle fixation. For other models, it is necessary to refer to the product manual or consult the manufacturer to confirm the specific implementation of the rocking function.