| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 700 x 570 x 1235 mm | |
|---|---|---|
| Upper back/headrest width | 360 mm | |
| Seat usable width | 520 mm | |
| Total backrest height | 820 mm | |
| Seat usable depth | 445 mm | |
| Seat height adjustment range maximum | 510 mm | |
| Armrest height maximum | 705 mm | |
| Five-star base diameter | 700 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 | 136 kg | |
|---|---|---|
| Product net weight | 25 kg | |
| Tilt mechanism maximum recline angle | 120 degrees | |
| Seat foam density | 45 kg/m³ | |
| Seat foam rebound rate | 45% | |
| Caster rolling durability cycles | 100000 cycles | |
| Gas lift static load rating | 150 kg | |
| Five-star base static load capacity | 1136 kg | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | 1.2 mm thick black PU leather | |
|---|---|---|
| Seat cushion padding | 80 mm thick high-density molded polyurethane foam | |
| Backrest padding | 60 mm thick contoured high-density polyurethane foam | |
| Integrated armrest structure | PU-padded surface over steel inner support with chrome accent trim | |
| Internal support frame | 1.5 mm thick welded cold-rolled steel tube | |
| Five-star caster base | 2.0 mm thick polished chrome-plated steel | |
| Rolling casters | 60 mm diameter black polyurethane swivel casters | |
| Gas lift cylinder | 50 mm diameter chrome-plated steel Class 4 gas lift | |
| Tilt mechanism chassis | 2.5 mm thick stamped steel locking tilt chassis | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame | |
| Five-star Base Material Thickness | Metal base wall 3.5 mm; diameter 700 mm |
Adjustment / rotation / tilt / mobility / storage features
| 360-degree swivel rotation | Full 360° horizontal rotation via central gas lift stem | |
|---|---|---|
| Pneumatic seat height adjustment | 65 mm vertical adjustment travel via gas lift, 510 mm seat height | |
| Synchronized tilt recline | Up to 120° back recline with infinite position tilt lock | |
| Tilt tension adjustment | User-adjustable tension knob to match user body weight | |
| Built-in lumbar support | Split two-section contoured fixed lumbar pad at lower back | |
| Smooth rolling mobility | Dual-wheel PU casters suitable for hard floors and low-pile carpet | |
| Fixed wrap-around armrests | Ergonomic curved arm support extending from back to seat front | |
| 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
| 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 | |
| Reference Carton Volume | 0.26 m³/set | |
| Indicative 20GP Loading | 135 sets at 85% space utilization | |
| Indicative 40HQ Loading | 320 sets at 85% space utilization |
Recommended spaces / users / usage modes
| Executive private office | High-back ergonomic support for 8 hour daily use by management staff | |
|---|---|---|
| Home office workspace | Polished chrome and black finish complements modern home office interiors | |
| Conference meeting rooms | Formal appearance suitable for executive meeting room seating | |
| Coworking premium zones | Durable commercial-grade construction for high-traffic shared workspaces | |
| Reception executive waiting areas | Professional aesthetic creates positive first impression for visitor areas | |
| 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 furniture safety requirements | EN 1335:2018 | |
|---|---|---|
| Office chair dimensional determination | EN 1335:2020 |
US and Canada office-furniture standards
| Office chair general purpose tests | ANSI/BIFMA X2017 | |
|---|---|---|
| Caster performance requirement | ANSI/BIFMA X2017Clause 13 |
Standards applicable to China-market projects
| Office chair mechanical safety | GB/T 10357.3 | |
|---|---|---|
| Upholstered furniture formaldehyde limit | GB 18584 |
This product must meet the following technical requirements: 1. Office chair mechanical safety: GB/T 10357.3; 2. Upholstered furniture formaldehyde limit: GB 18584; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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