
Ergonomic Health Chair
Bionic Chair Back Design
Inspired by butterfly wings, the bionic backrest moves naturally with the body, adapting to different sitting postures.
It balances lightweight design with precise support, creating a comfortable and harmonious sitting experience.

Advanced Dynamic Lumbar Support System
Unlocked State Fits Easily
Dynamic lumbar support adapts to every movement, maintaining continuous and balanced back support.
In Free Mode, it provides lumbar pushing, following, and health support for working, resting, or relaxing.
Knob adjustment fine-tunes elasticity for personalized comfort, while the structure contours naturally to the waist curve.

Adapts to the Neck Curve
Large Curved 3D Headrest
An ergonomic 3D curved headrest fits the natural neck curve and supports flexible multi-mode adjustment for different heights and sitting postures
With 90 mm height adjustment and 54° rotation, it helps reduce neck pressure and fatigue, providing stable cervical support during long sitting.

3D Seat Cushion
Three-dimensional contoured seat with layered support evenly distributes pressure, reducing lumbar strain and long-sitting fatigue.
The widened support surface enhances stability and comfort, helping prevent soreness during extended use.
45 mm slide · 70 mm height · 25° rotation

Various Body Types
Designed for both focused work and relaxed sitting, the adaptive backrest supports natural posture changes, helping reduce fatigue and improve overall comfort.
Adjustable Recline Angle: 103° – 123°

Removable Structure
Space-efficient detachable design. The removable backrest frame reduces packaging volume by 15%, improving space utilization and lowering transportation costs.
Easy-to-assemble connections ensure user convenience without compromising structural stability.

Breathable Mesh Footrest System
Porous mesh design promotes airflow to keep legs cool and dry during long hours of sitting.
Helps reduce leg fatigue, improve posture, and support healthy blood circulation.
Learn More About the Vertex Ergo D-T5 Series
The Vertex Ergo D-T5 series is a high-end ergonomic office chair designed for modern office and professional work environments.
Vertex Ergo D-T5 Series Ergonomic Office Chair Usage Solutions
The Vertex Ergo D-T5 Series ergonomic office chair fits seamlessly into modern offices, meeting rooms, and home workspaces, supporting comfort across a wide range of daily tasks.
Vertex Ergo D-T5 Series DIY Customization
Options
Dimension
X7 Series Office Chair Dimensions
| Dimension | Size (mm) |
|---|---|
| Overall Width | 650 |
| Backrest Width | 420 |
| Headrest Width | 260 |
| Headrest Height | 110 |
| Armrest Height Range | 275–350 |
| Seat Height Range | 475–575 |
| Overall Height | 1140–1370 |
| Backrest Height (from seat) | 1035–1180 |
| Backrest Support Height | 580–620 |
| Seat Depth | 440–490 |
| Backrest Depth | 510 |
| Base Width | 505 |
| Base Depth | 640 |
Features
- Ergonomic Backrest Design: The backrest is designed to follow natural body movement, allowing gentle left-right sway as the user shifts posture, helping reduce stiffness during long sitting periods.
- Adjustable Backrest Height: Backrest height adjustment with 5 locking levels allows users to align back support precisely with different body heights.
- Forward-Tilting Seat Function: The seat supports 3-degree forward tilt adjustment, helping maintain a comfortable and efficient typing posture during focused work.
- German Bock Suspension Mechanism: Equipped with a German Bock mechanism, combined with a fabric upholstered seat and seat slider, delivering a smooth suspension-style sitting experience with enhanced stability.
- All-Aluminum Structural Bracket: Armrests, back support bracket, and mechanism housing are all made from high-precision aluminum, ensuring excellent strength, durability, and a premium metallic finish across the entire series.
- Armrest Configuration Options: The series is available with 3D adjustable armrests, supporting height and directional adjustment for daily office use.
- Seat Height Adjustment: Smooth seat height adjustment adapts easily to different desk heights and user preferences.
- Quick Back Tension Adjustment: Back tension can be adjusted quickly, allowing users to control reclining resistance with minimal effort.
- Class 4 Safety Gas Lift: Certified Class 4 gas lift ensures safe, stable, and smooth height adjustment for long-term professional use.
- 350# Aluminum Base: A reinforced 350# aluminum base provides strong load-bearing capacity and long-term structural stability.
- 60mm PU Silent Castors: High-quality 60mm PU castors offer smooth, quiet movement while protecting various floor surfaces.
-
Adjustable Headrest Configuration:
Ergonomic chair designed for the user's head. Antibacterial adjustable headrest (up and down, neckrest and headrest can be switched at will, micro-massage TPU material).
Note: Available on selected models only. -
Headrest-Free Configuration:
Ergonomic chair designed without a headrest, maintaining a cleaner profile while retaining full back support.
Note: Standard configuration on selected models.
X7 Series Office Chair Dimensions
| Dimension | Size (mm) |
|---|---|
| Overall Width | 650 |
| Backrest Width | 420 |
| Headrest Width | 260 |
| Headrest Height | 110 |
| Armrest Height Range | 275–350 |
| Seat Height Range | 475–575 |
| Overall Height | 1140–1370 |
| Backrest Height (from seat) | 1035–1180 |
| Backrest Support Height | 580–620 |
| Seat Depth | 440–490 |
| Backrest Depth | 510 |
| Base Width | 505 |
| Base Depth | 640 |
- Ergonomic Backrest Design: The backrest is designed to follow natural body movement, allowing gentle left-right sway as the user shifts posture, helping reduce stiffness during long sitting periods.
- Adjustable Backrest Height: Backrest height adjustment with 5 locking levels allows users to align back support precisely with different body heights.
- Forward-Tilting Seat Function: The seat supports 3-degree forward tilt adjustment, helping maintain a comfortable and efficient typing posture during focused work.
- German Bock Suspension Mechanism: Equipped with a German Bock mechanism, combined with a fabric upholstered seat and seat slider, delivering a smooth suspension-style sitting experience with enhanced stability.
- All-Aluminum Structural Bracket: Armrests, back support bracket, and mechanism housing are all made from high-precision aluminum, ensuring excellent strength, durability, and a premium metallic finish across the entire series.
- Armrest Configuration Options: The series is available with 3D adjustable armrests, supporting height and directional adjustment for daily office use.
- Seat Height Adjustment: Smooth seat height adjustment adapts easily to different desk heights and user preferences.
- Quick Back Tension Adjustment: Back tension can be adjusted quickly, allowing users to control reclining resistance with minimal effort.
- Class 4 Safety Gas Lift: Certified Class 4 gas lift ensures safe, stable, and smooth height adjustment for long-term professional use.
- 350# Aluminum Base: A reinforced 350# aluminum base provides strong load-bearing capacity and long-term structural stability.
- 60mm PU Silent Castors: High-quality 60mm PU castors offer smooth, quiet movement while protecting various floor surfaces.
-
Adjustable Headrest Configuration:
Ergonomic chair designed for the user's head. Antibacterial adjustable headrest (up and down, neckrest and headrest can be switched at will, micro-massage TPU material).
Note: Available on selected models only. -
Headrest-Free Configuration:
Ergonomic chair designed without a headrest, maintaining a cleaner profile while retaining full back support.
Note: Standard configuration on selected models.
| Features / Configuration | Chair 1 | Chair 2 |
|---|---|---|
| Key Difference (Headrest) | ✓ Antibacterial adjustable headrest (up/down, large/small switching; micro-massage TPU) | ✗ No headrest configuration |
| Product Image |
Chair 1 |
Chair 2 |
| Core Positioning | √ Ergonomic chair for head support | √ Ergonomic chair for head support |
| Backrest Follow-up Function | √ Swings left/right with body movement | √ Swings left/right with body movement |
| Backrest Height Adjustment | √ 5 gears adjustable | √ 5 gears adjustable |
| Seat Forward/Backward Tilt | √ -3° forward/backward tilt adjustment | √ -3° forward/backward tilt adjustment |
| Chassis Configuration | √ German Bork imported chassis (seat depth adjustment, floating sitting experience) | √ German Bork imported chassis (seat depth adjustment, floating sitting experience) |
| Stand Material | √ Full high-precision aluminum alloy (armrests/back connectors/chassis) | √ Full high-precision aluminum alloy (armrests/back connectors/chassis) |
| Seat Type | √ Fabric-padded soft seat | √ Fabric-padded soft seat |
| Armrest Configuration | √ 3D armrests | √ 3D armrests |
| Seat Height Adjustment | √ Supported | √ Supported |
| Backrest Tension Adjustment | √ Quick adjustment | √ Quick adjustment |
| Gas Lift Class | √ Class 4 gas lift | √ Class 4 gas lift |
| Chair Base Material | √ 350# aluminum alloy base | √ 350# aluminum alloy base |
| Caster Configuration | √ 60mm PU casters | √ 60mm PU casters |
| Fabric Material | √ Polymer polka dot fabric | √ Polymer polka dot fabric |
FAQ
Use this text to share information about your product or shipping policies.
Do you ship overseas?
Yes, we ship all over the world. Shipping costs will apply, and will be added at checkout. We run discounts and promotions all year, so stay tuned for exclusive deals.
How long will it take to get my orders?
It depends on where you are. Orders processed here will take 5-7 business days to arrive. Overseas deliveries can take anywhere from 7-16 days. Delivery details will be provided in your confirmation email.
Any question?
You can contact us through our contact page! We will be happy to assist you.

