How to Use Professional Office Chairs in Shanghai

The usage methods of professional office chairs in Shanghai need to be adjusted according to specific models and functions, but generally include the following core operational steps:

1. Adjusting the Backrest Recline After sitting firmly, locate the adjustment handle on the side or bottom of the seat (some models, such as the Hbada E301, use a wired remote control). Pull the handle or move the wired remote control backward, lean back slightly with your back to a comfortable angle, and release to secure it; repeat the operation to return to the original position. For wired remote control models, resetting to the middle position locks the angle. Note: Avoid sudden force when leaning back to prevent damage to the gas lift or mechanical structure.

2. Height Adjustment The chair is usually equipped with a control lever at the bottom. Push it upward to raise the seat and press it downward to lower it; for gas lift models, repeatedly pump the lever to adjust the height, and release the control lever to lock the position after adjustment. If standing while working is required, ensure the front of the seat is below the knees to avoid leg suspension. Safety Tip: Before use, confirm that the gas lift has passed safety certifications such as BIFMA to prevent explosion risks.

3. Seat Angle and Forward/Backward Movement Adjust the front of the seat up or down using the control lever at the front bottom of the chair to accommodate different sitting postures; some models (such as the Hbada E301) support forward and backward movement of the seat cushion, which can be adjusted by moving the wired remote control forward. Applicable Scenarios: Moving the seat cushion forward shortens the distance to the desk, suitable for delicate operations; moving it backward increases leg movement space.

4. Armrest Adjustment Most office chair armrests support vertical movement (press the button to adjust the height), forward and backward sliding, or 360-degree rotation. Taking the Hbada E301 as an example, you need to press the outer button to rotate the armrest. Adjustment Principle: The height of the armrests should be level with the desk to avoid elbow suspension or shoulder compression; the forward and backward positions should ensure that the elbows are at a 90-degree angle when the arms hang naturally.

5. Other Functions (High-End Models) Some high-end models (such as the Hbada E301) are equipped with lumbar support adjustment, headrest rotation, footrest flipping, and heating/massage functions, all of which are activated via a wired remote control or control lever. Usage Suggestions: The height of the lumbar support should fit the lumbar curve; the angle of the headrest should support the cervical spine; the footrest should only be used during rest to avoid affecting blood circulation.

6. Safety and Comfort Optimization

• When adjusting the height of the armrests, ensure that knee movement is not obstructed;
• Change sitting postures every 15-30 minutes (such as leaning back, leaning forward, or standing briefly) to reduce spinal pressure;
• If the chair is too high, use a footrest to keep your feet flat on the ground;
• Be sure to read the instruction manual before first use to confirm the operational logic of each function.

Important Reminder: The functional designs of different brands (such as Ergonor, Haworth, Hbada) may vary. It is recommended to check the specific steps through the official website or instruction manual before operation to avoid damage or safety hazards caused by misoperation.