| 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 range | 520 mm | |
| Backrest width | 480 mm | |
| Backrest height | 560 mm | |
| Armrest height from seat | 210 mm | |
| Five-star base diameter | 600 mm | |
| Caster diameter | 50 mm | |
| Seat cushion thickness | 80 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
| Maximum recommended user weight | 120 kg | |
|---|---|---|
| Chair net weight range | 14 kg | |
| Gas lift stroke length | 100 mm | |
| Swivel rotation range | 360 degrees | |
| Seat foam density | 45 kg/m³ | |
| Back mesh abrasion resistance reference | 30000 cycles | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ | |
| Upholstery Thickness / Abrasion Reference | 1.4 mm / 50000 cycles | |
| Five-star Base Static Load Reference | Acceptance target ≥120 kg; chair reference load 150 kg |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest frame | Black reinforced nylon plastic frame with integrated lumbar support ridge | |
|---|---|---|
| Backrest surface | Black woven nylon mesh with horizontal stretch structure | |
| Seat cushion upholstery | Black woven polyester fabric cover | |
| Seat cushion filling | Molded high-density polyurethane foam | |
| Inner seat frame | Plywood inner support panel with steel reinforcement brackets | |
| Armrests | Black rigid nylon armrest structure with integrated mounting brackets | |
| Five-star base | Black nylon five-point support base | |
| Gas lift cylinder | Steel pneumatic height adjustment cylinder with black plastic cover | |
| Casters | Black dual-wheel nylon casters with plastic hoods | |
| Tilt mechanism | Steel synchro-tilt or seat-tilt chassis with plastic adjustment lever | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | Pneumatic lift operated by right-side lever, providing 100 mm of vertical travel to adapt to different desk heights | |
|---|---|---|
| 360-degree swivel function | Full continuous rotation around central axis via ball bearing swivel mount on top of gas lift | |
| Seat tilt function | Forward/backward tilt with tension adjustment knob under seat, allowing up to 15 degrees of recline | |
| Tilt lock function | Lever-activated lock to secure seat-back position in upright or partially reclined state | |
| Smooth rolling mobility | 5 dual-wheel casters enabling quiet rolling on hard floors and low-pile carpet surfaces | |
| Fixed lumbar support | Integrated Y-shaped lumbar ridge molded into back frame to support lower back curve | |
| Fixed armrest support | Dual fixed-height armrests with open frame design to support forearms during typing | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120 kg | |
| Rotation / Mobility Configuration | 360° swivel with 5-caster multidirectional movement |
Verified carton / gross weight / assembly / loading data
| Packaging configuration | 1 unit per carton, KD flat-pack design | |
|---|---|---|
| Carton dimensions | 680 x 580 x 320 mm | |
| Gross weight per carton | 16 kg | |
| Volume per carton | 0.126 m³ | |
| Assembly time per unit | 30 minutes | |
| 20ft container load quantity | 280 units | |
| Reference Package Count | 1 set / 2 cartons | |
| Reference Assembly Time | 40 minutes per set | |
| Reference Carton Dimensions | 850× 420× 720 mm | |
| Reference Packaged Gross Weight | 23 kg/set |
Recommended spaces / users / usage modes
| Open-plan office workstation | Suitable for daily 8-hour desk work in open-plan offices, with adjustable height matching standard 760 mm desk heights | |
|---|---|---|
| Home office workspace | Ideal for home office and remote work setups, with compact footprint that fits small desk areas | |
| Conference and meeting rooms | Appropriate for conference room seating around meeting tables, with 360-degree swivel enabling easy orientation toward speakers | |
| Staff training rooms | Suitable for training center and classroom environments, with durable mesh back that provides ventilation during long sessions | |
| Call center seating | Fit for call center and customer support workstations, with lumbar support to reduce fatigue during extended sitting periods | |
| Recommended Matching Desk Size | 2.4 m executive desk | |
| Reference Daily Use Duration | 8 hours/day; confirm by ergonomic testing |
EU Market Access Requirements* EN Standards
| Office chair safety requirements | EN 1335:2020 | |
|---|---|---|
| Office chair dimensional stability | EN 1335:2019 | |
| Upholstered furniture ignition safety | EN 1021:2014 |
US and Canada office-furniture standards
| Office chair general safety standard | ANSI/BIFMA X2021 | |
|---|---|---|
| Caster rolling durability | BIFMA X5.1 Clause 8 |
Standards applicable to China-market projects
| Seat surface stability | GB/T 14724 | |
|---|---|---|
| Wood-based panel formaldehyde emission | GB 18580 | |
| Upholstered furniture flame retardancy | GB 20286 |
This product must meet the following technical requirements: 1. Seat surface stability: GB/T 14724; 2. Wood-based panel formaldehyde emission: GB 18580; 3. Upholstered furniture flame retardancy: GB 20286; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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