Dynamic Dual-Zone Lumbar Support
Adaptive Alignment: This independent dual-back system automatically follows your movements for continuous spine alignment and posture correction.
Commercial Performance: Engineered as a heavy-duty office chair solution to eliminate back strain, enhancing workplace productivity for long-term use.
Solid Aluminum Build
Heavy-Duty Stability: Unlike plastic alternatives, our die-cast aluminum alloy system ensures rock-solid structural integrity and long-term durability.
Precision Engineering: Experience ultra-smooth seat height adjustment and silent support, built to meet the highest office furniture standards.
Customizable Dual-Seat Configurations
Tailored Comfort for Every Market Preference.
Versatile Seat Options: Choose between 90mm High-Density Foam for superior pressure relief or High-Tensile Mesh for maximum breathability and airflow.
Premium Finishes: Fully customizable with a wide range of fabric colors and two professional frame finishes (Industrial Grey or Classic Black).
4-Level Tilt Lock & Seat Sliding
Master your posture with an advanced seat depth sliding system and 4-level tilt lock that seamlessly adapts to different body types for the ultimate work-rest balance.
3D Armrests & Oversized Headrest
Experience full-body relief with 3D adjustable armrests and an oversized headrest designed to provide precision ergonomic support for your neck, shoulders, and wrists.
Certified Reliability | Class-4 Gas Lift & Silent Casters
- Segmented adjustable lumbar support with 5 height levels (50 mm range) and elastic self-adaptive structure, designed to closely follow the natural curve of the spine and enhance sitting comfort during long hours.
Integrated Footrest | Seamless Work-to-Rest
High-elastic mesh backrest offers soft, breathable support for relaxed sitting. Hidden PU footrest helps reduce leg and back pressure, and folds away under the seat when not in use. Recline and height adjustments allow easy positioning for a comfortable midday break.
Dimension
Specifications
| Category | Feature | Specification Details |
|---|---|---|
| Basic Info | Model Name | ST8 Elite Ergonomic Series |
| Frame Material | Die-Cast Aluminum Alloy (High-Strength) | |
| Color Options | Industrial Grey / Classic Black | |
| Dimensions | General Dimensions | 27.5"W x 27.5"D x 42"-49"H |
| Seat Width/Depth | 20.5" / 18.5" - 20.5" (Adjustable) | |
| Net Weight | Approx. 61.7 lbs (28 kg) | |
| Performance | Weight Capacity | 330 lbs (150 kg) |
| Gas Lift Class | Class 4 (SGS & BIFMA Certified) | |
| Tilt Mechanism | 4-Position Sync-Tilt & Locking (90° - 135°) | |
| Ergonomics | Lumbar Support | Dynamic Dual-Zone (Self-Adaptive) |
| Backrest Height | 6-Level Precision Adjustment | |
| Armrests | 3D Adjustable (Height, Depth, Angle) | |
| Headrest | Oversized, Height & Angle Adjustable | |
| Materials | Seat Versions |
Option A: 90mm High-Density Molded Foam Option B: High-Tensile Breathable Mesh |
| Casters | 60mm Silent PU Casters (Floor-Friendly) | |
| Logistics | Assembly | Required (Instruction & Video Support Provided) |
| Warranty | 5-Year Limited Commercial Warranty |
| Category | Feature | Specification Details |
|---|---|---|
| Basic Info | Model Name | ST8 Elite Ergonomic Series |
| Frame Material | Die-Cast Aluminum Alloy (High-Strength) | |
| Color Options | Industrial Grey / Classic Black | |
| Dimensions | General Dimensions | 27.5"W x 27.5"D x 42"-49"H |
| Seat Width/Depth | 20.5" / 18.5" - 20.5" (Adjustable) | |
| Net Weight | Approx. 61.7 lbs (28 kg) | |
| Performance | Weight Capacity | 330 lbs (150 kg) |
| Gas Lift Class | Class 4 (SGS & BIFMA Certified) | |
| Tilt Mechanism | 4-Position Sync-Tilt & Locking (90° - 135°) | |
| Ergonomics | Lumbar Support | Dynamic Dual-Zone (Self-Adaptive) |
| Backrest Height | 6-Level Precision Adjustment | |
| Armrests | 3D Adjustable (Height, Depth, Angle) | |
| Headrest | Oversized, Height & Angle Adjustable | |
| Materials | Seat Versions |
Option A: 90mm High-Density Molded Foam Option B: High-Tensile Breathable Mesh |
| Casters | 60mm Silent PU Casters (Floor-Friendly) | |
| Logistics | Assembly | Required (Instruction & Video Support Provided) |
| Warranty | 5-Year Limited Commercial Warranty |