| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 680 x 720 x 1280 mm | |
|---|---|---|
| Seat width | 520 mm | |
| Seat depth | 500 mm | |
| Seat height range maximum | 520 mm | |
| Backrest height | 700 mm | |
| Backrest width | 500 mm | |
| Headrest dimensions | 400 x 150 x 80 mm | |
| Armrest height from seat | 220 mm | |
| Armrest width | 60 mm | |
| Five-star base diameter | 700 mm | |
| Caster diameter | 60 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 | 150 kg | |
|---|---|---|
| Chair net weight reference | 22 kg | |
| Cushion foam density reference | 45 kg/m³ | |
| Back foam density reference | 35 kg/m³ | |
| Caster rolling durability reference | 100000 cycles | |
| Tilt mechanism cycle reference | 120000 cycles | |
| Armrest static load reference | 90 kg | |
| Seat cushion foam density | 45 kg/m³ | |
| Backrest foam density | 35 kg/m³ | |
| Tilt mechanism cycle life | 120000 cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Smooth brown bonded leather cover with stitched face pattern | |
|---|---|---|
| Seat cushion filling | High-resilience polyurethane foam core, 60 mm thick at center | |
| Backrest filling | Molded polyurethane foam support layer behind leather face | |
| Headrest | Brown leather-wrapped foam pad with structured box shape | |
| Armrest structure | Polished die-cast aluminum C-frame with brown leather top pad | |
| Tilt mechanism | Black-painted steel synchronous tilt chassis with side-mounted control levers | |
| Gas lift | Chrome-plated steel pneumatic lift column | Shiny central cylinder visible; Class 3 rating assumed for executive chair, not confirmed by marking | |
| Five-star base | Polished aluminum five-leg spider frame | Brushed chrome finish and five radial legs visible; wall thickness and exact alloy grade not measurable | |
| Casters | 60 mm diameter dual-wheel black nylon casters with metallic housing | Wheel shape and housing visible from front; exact material and brake type not confirmed | |
| Stitching | Decorative vertical stitched channels on lower backrest and seat sides | |
| Seat and backrest upholstery | Smooth brown bonded leather face cover with vertical stitched channel detailing, applied over foam substrate | |
| Backrest internal support | Molded polyurethane foam support layer laminated to a plywood inner frame, covered with bonded leather outer face |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | Pneumatic 100 mm lift controlled by right-side lever, adjusting seat from 420 mm to 520 mm floor height | |
|---|---|---|
| Synchronous tilt recline | Synchronized seat and back tilting mechanism with adjustable tension, reclining up to 12 degrees from upright | |
| Tilt tension adjustment | Rotary knob under seat controls recline resistance for different user weights | |
| 360-degree swivel | Full continuous rotation around central gas lift axis | |
| Fixed headrest | Padded top headrest integrated into high-back structure for neck and upper back support | |
| Fixed armrests | Sculpted aluminum arm frames with padded tops providing fixed lateral forearm support at 220 mm above seat | |
| Mobile base with casters | Five 60 mm dual-wheel casters mounted on aluminum legs permit rolling on hard or carpeted floors | |
| Weight-activated tilt safety | Synchronous mechanism balances seat and back movement to reduce slip-out risk during recline | |
| Gas lift stroke | 100 mm | |
| 360-degree swivel rotation | Full continuous 360-degree rotation around central gas lift axis, enabled by bearing assembly at top of gas lift | |
| Fixed integrated headrest | Padded top headrest fixed to backrest frame, providing stationary neck and upper back support at 1280 mm maximum overall height | |
| Fixed armrest support | Rigid aluminum arm frames with padded tops providing fixed lateral forearm support at 220 mm height above seat surface |
Verified carton / gross weight / assembly / loading data
| Packing configuration | 1 chair per carton, knockdown into seat-back assembly, base, gas lift, casters, arms and hardware kit | |
|---|---|---|
| Carton dimensions | 820 x 580 x 480 mm | |
| Gross weight per carton | 26 kg | |
| Volume per carton | 0.228 CBM | |
| Assembly time | 30 minutes | |
| 20 ft container loading | 220 units | |
| Single-person assembly time | 30 minutes | |
| 20 ft standard container loading quantity | 220 units | |
| Reference Package Count | 1 set / 2 cartons | |
| Reference Assembly Time | 40 minutes per set |
Recommended spaces / users / usage modes
| Executive private office | Designed for C-suite and manager offices paired with L-shaped executive desks, providing formal aesthetic and long-session support | |
|---|---|---|
| Boardroom meeting rooms | Suitable for conference rooms around large board tables, offering swivel mobility and tilt comfort for extended meetings | |
| High-end coworking premium zones | Appropriate for premium membership workstations and private booths in upscale coworking spaces | |
| Design-focused lobbies and waiting areas | Usable as a premium visitor chair in executive reception zones paired with side tables | |
| Home office premium setup | Suitable for residential home offices seeking executive-grade seating with refined look and ergonomic adjustability | |
| Private executive offices | Suitable for C-suite and senior manager private offices paired with L-shaped executive desks, delivering formal aesthetic and ergonomic support for 8+ hour work sessions | |
| Premium coworking private booths | Designed for high-tier membership workstations and private office booths in upscale coworking spaces, balancing durability with refined visual style | |
| Executive reception waiting areas | Usable as premium visitor seating in executive reception zones paired with low side tables, providing a high-end first impression for guests |
EU Market Access Requirements* EN Standards
| EN 1335-1:2020 | Applicable for office chair dimensional and structural safety assessment as a procurement reference standard | |
|---|---|---|
| EN 1335-2:2019 | Applicable for office chair strength, durability and stability testing as a procurement reference standard |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2021 | Applicable for general office chair performance and safety testing as a procurement acceptance reference |
|---|
Standards applicable to China-market projects
| GB/T 14710-2009 | Applicable for office chair mechanical strength and durability testing as a procurement acceptance reference | |
|---|---|---|
| GB/T 3324-2017 | Applicable for wood-based interior components of office furniture as a procurement reference for formaldehyde emission and structural safety of internal frame panels |
This product must meet the following technical requirements: 1. GB/T 14710-2009: Applicable for office chair mechanical strength and durability testing as a procurement acceptance reference; 2. GB/T 3324-2017: Applicable for wood-based interior components of office furniture as a procurement reference for formaldehyde emission and structural safety of internal frame panels; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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