| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 620 x 600 x 1010 mm | |
|---|---|---|
| Seat width | 500 mm | |
| Seat depth | 480 mm | |
| Seat height adjustment range | 540 mm | |
| Backrest width | 480 mm | |
| Backrest height | 550 mm | |
| Armrest height from seat | 210 mm | |
| 5-star base diameter | 600 mm | |
| Caster diameter | 50 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Backrest Padding Thickness | 70 mm | |
| Lumbar Support Zone Height | 240 mm | |
| Clear Width Between Armrests | 540 mm |
Net weight / load capacity / users / durability
| Recommended maximum user weight | 120 kg | |
|---|---|---|
| Chair net weight | 13 kg | |
| Seat foam density | 45 kg/m³ | |
| Backrest mesh tension rating | 120 kg | |
| Caster rolling durability | 100000 cycles | |
| Gas lift cycle life | 100000 cycles | |
| Armrest static load capacity | 80 kg | |
| Recommended maximum user static load | 120 kg | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest panel | Woven nylon mesh stretched over rigid plastic frame | |
|---|---|---|
| Seat cushion | High-resilience polyurethane foam core wrapped in polyester fabric upholstery | |
| Backrest frame & armrest structure | Reinforced polypropylene (PP) plastic, one-piece integrated design | |
| Height adjustment mechanism | Steel gas spring (gas lift) with black powder-coated outer cylinder | |
| 5-star base | Nylon composite 5-leg base with matte black finish | |
| Casters | Black nylon dual-wheel casters with plastic hoods | |
| Tilt control chassis | Steel plate mechanism with plastic adjustment lever | |
| Stitching on seat edges | Lock-stitch upholstery seam along seat perimeter | |
| Backrest support panel | Woven nylon mesh stretched taut over a rigid rectangular plastic frame, secured by frame edge clamping | |
| Seat cushion core | High-resilience polyurethane foam slab with molded contoured top, wrapped in a non-woven fabric inner liner | |
| Seat cushion upholstery | Polyester woven fabric cover stitched to fit the foam core, with finished perimeter edges | |
| Backrest frame and armrest structure | Reinforced polypropylene (PP) plastic with one-piece integrated design, connecting back frame, arm supports and side seat brackets |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | Pneumatic lift controlled by left-side lever, providing 90mm total vertical travel | |
|---|---|---|
| Backrest tilt function | Synchro-tilt mechanism with tension adjustment knob, allowing up to 15 degrees of recline from upright | |
| 360-degree swivel | Full continuous rotation around central gas lift axis, enabled by precision bearing assembly | |
| Fixed armrest support | Non-adjustable hard plastic armrest pads integrated with back frame, positioned at fixed height relative to seat | |
| Mobility function | 5 dual-wheel casters enable smooth rolling on hard and low-pile carpet surfaces, with non-locking design | |
| Lumbar support | Contoured mesh back provides passive lumbar support through curved frame shape, no separate adjustable lumbar pad | |
| Breathable seating surface | Open-weave mesh back allows air circulation to reduce heat buildup during extended sitting | |
| 360-degree full swivel | Continuous unobstructed rotation around the central gas lift axis, enabled by a precision steel bearing assembly | |
| Caster-based mobility | 5 dual-wheel nylon casters enable smooth rolling on hard floors and low-pile carpet, with a non-locking free-rolling design | |
| Passive lumbar support | Contoured curved mesh back panel provides passive lower-back support through the shaped frame, with no separate adjustable lumbar pad | |
| Breathable backrest ventilation | Open-weave nylon mesh back construction allows continuous air circulation to reduce back heat buildup during extended seated work | |
| Tilt tension adjustment | Rotary knob under the seat adjusts backrest recline resistance, with 5 full rotation turns from minimum to maximum tension |
Verified carton / gross weight / assembly / loading data
| Packaging carton count | 1 unit per carton | |
|---|---|---|
| Carton dimensions | 650 x 350 x 600 mm | |
| Assembly time per unit | 30 minutes | |
| Carton gross weight | 15 kg | |
| Carton volume | 0.137 m³ | |
| Single-unit assembly time | 30 minutes | |
| 20ft container loading quantity | 220 units | |
| Reference Package Count | 1 set / 2 cartons | |
| Reference Assembly Time | 40 minutes per set | |
| Reference Carton Dimensions | 850× 420× 720 mm |
Recommended spaces / users / usage modes
| Open-plan office workstations | Suitable for daily 8-hour seated work in shared office environments, matching standard 760 mm desk heights | |
|---|---|---|
| Staff meeting & training rooms | Appropriate for conference and training setups where stackable or uniform seating is required for multi-person spaces | |
| Home office setups | Fit for residential home office use, offering compact size and basic ergonomics for personal workstations | |
| Temporary work hot-desk areas | Suitable for flexible seating zones due to mobile caster design and lightweight structure for easy reconfiguration | |
| Small business startup offices | Cost-effective option for bulk procurement for new office setup with standardized seating requirement | |
| Staff meeting and training rooms | Appropriate for conference and training setups where uniform, mobile seating is required for multi-person flexible arrangement | |
| Co-working space shared seating | Suitable for high-occupancy co-working environments, with durable mesh and caster construction supporting frequent user turnover and movement | |
| Recommended Matching Desk Size | 2.4 m executive desk |
EU Market Access Requirements* EN Standards
| EN 1335-1:2009 | Applicable for office chair general safety, strength and durability requirements; recommended for EU market procurement specification | |
|---|---|---|
| EN 12520:2015 | Applicable for seating strength, durability and stability for domestic and office use; recommended as performance acceptance reference | |
| EN 1022:2018 | Applicable for seating stability testing for domestic and contract use; recommended for safety compliance verification |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applicable for general-purpose office chairs testing of stability, durability and structural integrity; recommended for North American market quality verification | |
|---|---|---|
| BIFMA G1-2013 | Applicable for office chair ergonomics guideline compliance; recommended for ergonomic performance specification reference |
Standards applicable to China-market projects
| GB/T 38055-2019 | Applicable for office chair dimensional and ergonomic general requirements; recommended as acceptance reference for domestic supply | |
|---|---|---|
| GB/T 10357.2-2013 | Applicable for furniture seat and back static load testing; recommended for structural load verification | |
| GB/T 10357.3-2013 | Applicable for office chair caster and base durability testing; recommended for mobility component quality acceptance | |
| GB/T 10357.7-2013 | Applicable for office chair stability testing under inclined and horizontal load conditions; recommended for safety performance verification |
This product must meet the following technical requirements: 1. GB/T 38055-2019: Applicable for office chair dimensional and ergonomic general requirements; recommended as acceptance reference for domestic supply; 2. GB/T 10357.2-2013: Applicable for furniture seat and back static load testing; recommended for structural load verification; 3. GB/T 10357.3-2013: Applicable for office chair caster and base durability testing; recommended for mobility component quality acceptance; 4. GB/T 10357.7-2013: Applicable for office chair stability testing under inclined and horizontal load conditions; recommended for safety performance verification; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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