| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 690 x 710 x 1270 mm | |
|---|---|---|
| Seat width | 550 mm | |
| Seat depth | 550 mm | |
| Seat height adjustment range | 560 mm | |
| Backrest height | 750 mm | |
| Five-star base diameter | 700 mm | |
| Caster diameter | 60 mm | |
| Armrest height above seat | 240 mm | |
| Gas lift vertical travel | 150 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
| Net weight | 32 kg | |
|---|---|---|
| Recommended user weight capacity | 227 kg | |
| Seat foam density | 45 kg/m³ | |
| Back foam thickness | 80 mm | |
| Seat foam thickness | 100 mm | |
| Foam rebound rate | 60% | |
| Upholstery abrasion resistance | 100000 Martindale cycles | |
| Mechanism tilt cycle durability | 300000 cycles | |
| Base static load rating | 1136 kg | |
| Caster rolling durability | 100000 cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Tan/cognac full-grain leather surface | |
|---|---|---|
| Armrest outer shell | White molded polypropylene hard shell | |
| Seat inner support frame | 18 mm double-layer bent plywood | |
| Five-star swivel base | Polished die-cast aluminum alloy | |
| Gas lift cylinder | Chrome-plated steel Class 4 pneumatic lift | |
| Tilt mechanism | 8 mm thick cold-rolled steel plate | |
| Casters | 60 mm diameter black PU dual-wheel casters | |
| Internal padding | High-density polyurethane foam | |
| Seam stitching | Matching tan polyester thread with 8 mm stitch pitch | |
| Hardware fasteners | Zinc-plated steel bolts and inserts | |
| 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
| Pneumatic seat height adjustment | 150mm vertical travel via side lever, locks at any height within range | |
|---|---|---|
| Multi-position tilt lock | 4 locking recline positions up to 20° rearward tilt, with adjustable tilt tension knob | |
| Fixed padded armrest support | Curved integrated armrests with 240mm height above seat, no height or width adjustment | |
| Rolling mobility on all surfaces | Five dual-wheel PU casters allow smooth movement on hard floors and carpet | |
| Ergonomic lumbar support | Contoured backrest shape provides built-in mid-back lumbar support | |
| Waterfall seat edge design | Curved front seat edge reduces pressure on posterior thigh circulation | |
| Knock-down assembly design | Chair ships disassembled into base, gas lift, seat/back assembly, casters and hardware kit | |
| Backrest recline angle range | 20° | |
| 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
| Carton dimensions | 950 x 700 x 700 mm | |
|---|---|---|
| Gross weight per carton | 32 kg | |
| Packaging volume per unit | 0.46 CBM | |
| Assembly time | 30 minutes | |
| 40HQ container loading quantity | 220 pieces | |
| 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 |
Recommended spaces / users / usage modes
| Executive private office | Suitable for C-suite and manager offices, with premium tan leather and polished aluminum finish matching professional executive decor | |
|---|---|---|
| Conference room seating | Appropriate for boardroom and high-end meeting spaces, providing comfortable support for multi-hour meetings | |
| Home office premium setup | Ideal for high-end residential workspaces, pairing warm tan upholstery with modern white accents for residential aesthetic compatibility | |
| Commercial co-working private offices | Suitable for premium co-working dedicated office suites, offering durable commercial-grade construction for shared high-use environments | |
| Client reception consultation spaces | Appropriate for professional service offices (law, finance, consulting) for both staff and visitor seating, conveying a polished, trustworthy appearance | |
| Height-adjustable desk compatible | 560mm maximum seat height works with sit-stand desks in seated position, matching standard desk height ranges | |
| 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
| EN 1335-1:2020 | Applicable standard for office work chair dimensional safety and performance requirements | |
|---|---|---|
| EN 1335-2:2018 | Applicable standard for office chair mechanical safety test methods | |
| EN 1021-1:2014 | Applicable standard for upholstered furniture ignition resistance from smoldering cigarettes |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applicable standard for general purpose office chairs, covering strength, durability and stability | |
|---|---|---|
| ANSI/BIFMA X5.11-2015 | Applicable standard for big-and-tall office chairs supporting up to 159kg and above |
Standards applicable to China-market projects
| GB/T 3326-2016 | Applicable standard for office chair dimensional stability and mechanical strength testing | |
|---|---|---|
| GB/T 26172.1-2010 | Applicable standard for office chair caster durability and performance | |
| GB 18584-2001 | Applicable standard for indoor decorating and refurbishing materials – limit of harmful substances in furniture |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applicable standard for office chair dimensional stability and mechanical strength testing; 2. GB/T 26172.1-2010: Applicable standard for office chair caster durability and performance; 3. GB 18584-2001: Applicable standard for indoor decorating and refurbishing materials – limit of harmful substances in furniture; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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