| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 680 x 700 x 1280 mm | |
|---|---|---|
| Seat width | 520 mm | |
| Seat depth | 500 mm | |
| Seat height range | 540 mm | |
| Backrest height | 720 mm | |
| Backrest width | 510 mm | |
| Headrest dimensions | 320 x 150 x 80 mm | |
| Armrest height from seat | 210 mm | |
| Armrest width | 70 mm | |
| 5-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 range | 22 kg | |
| Seat foam density | 45 kg/m³ | |
| Back foam density | 35 kg/m³ | |
| Gas lift static load rating | 1000 kg | |
| Base static load rating | 1136 kg | |
| Caster rolling durability | 100000 cycles | |
| Upholstery abrasion resistance | 100000 cycles | |
| 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 | Smooth white faux leather (PVC/PU blend) surface with stitched panel seams | |
|---|---|---|
| Seat and back padding | High-resilience polyurethane foam layered over internal support frame | |
| Internal frame | Plywood and bentwood structural frame with metal reinforcement brackets | |
| Armrest structure | Padded top with white-finish outer shell and inner frame | |
| Gas lift cylinder | Chrome-plated steel Class 3 gas lift with black adjustment mechanism housing | |
| 5-star base | Chrome-plated steel five-leg base with polished finish | |
| Casters | Black nylon twin-wheel casters with chrome mounting stems | |
| Control mechanism | Black steel tilt mechanism with single side adjustment lever | |
| Headrest support | White plastic or metal support post connecting headrest to back frame | |
| Seam construction | 5mm pitch double-stitched seam on all upholstered panel edges | |
| 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 gas lift operated by left-side lever, providing 80 mm of vertical travel | |
|---|---|---|
| Swivel function | 360-degree continuous rotation around central gas lift axis | |
| Backrest tilt | Synchro-tilt mechanism with adjustable tension and lockable positions up to 12 degrees of recline | |
| Padded headrest | Fixed-position padded headrest mounted at top of backrest for upper neck support | |
| Padded armrests | Fixed-height padded armrests with full upholstery matching seat and back | |
| Mobility | Five twin-wheel casters enabling smooth rolling on hard floors and low-pile carpet | |
| Tilt tension control | Spring tension adjustment to match user body weight for recline resistance | |
| Backrest synchro-tilt | Synchro-tilt mechanism with adjustable spring tension and lockable recline positions up to 12 degrees of backrest tilt | |
| Fixed padded headrest | Fixed-position padded headrest mounted at top of backrest for upper neck and head support | |
| Fixed padded armrests | Fixed-height padded armrests with full faux leather upholstery matching seat and back, aligned at 210 mm above seat surface | |
| Floor mobility | Five 60 mm twin-wheel nylon casters enabling smooth rolling on hard floors and low-pile carpet up to 10 mm pile height | |
| Gas lift stroke | 100 mm |
Verified carton / gross weight / assembly / loading data
| Number of packages | 1 carton | |
|---|---|---|
| Carton dimensions | 820 x 650 x 420 mm | |
| Gross weight | 25 kg | |
| Volume per unit (CBM) | 0.224 CBM | |
| Assembly time | 30 minutes | |
| 20ft container loading quantity | 220 units | |
| Volume per unit | 0.224 CBM | |
| 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
| Private executive offices | Suitable for C-suite and senior management workstations due to high-back design, headrest and premium upholstered appearance | |
|---|---|---|
| Conference and meeting rooms | Appropriate for head-of-table seating and boardroom environments requiring professional aesthetic and ergonomic support | |
| Design-focused workspaces | Matches modern and minimalist office interiors with white upholstery and polished chrome base | |
| Reception and visitor areas | Suitable for premium visitor seating in lobbies and waiting areas to support extended sitting comfort | |
| Home office premium setups | Compatible with upscale home workspaces seeking executive-style ergonomic seating with clean aesthetic | |
| 8-hour daily use | Designed for standard full-time office use with padded support and adjustable height function | |
| Conference and boardrooms | Appropriate for head-of-table seating and formal boardroom environments requiring professional aesthetic and ergonomic support for multi-hour meetings | |
| Design-focused corporate workspaces | Matches modern and minimalist office interiors with white upholstery, clean lines and polished chrome base |
EU Market Access Requirements* EN Standards
| EN 1335-1:2020 | Applicable for office chair dimensions, stability and structural strength requirements; reference for general performance specification | |
|---|---|---|
| EN 1335-2:2019 | Applicable for office chair safety testing methods for seat, backrest, armrests and base; use as test protocol reference | |
| EN 1022:2018 | Applicable for seating furniture stability testing; reference for static stability acceptance |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applicable for office chairs general-purpose safety, durability and structural performance testing; reference for commercial-grade acceptance | |
|---|---|---|
| ANSI/BIFMA X5.11-2018 | Applicable for caster and base durability testing methods; reference for rolling and base fatigue performance |
Standards applicable to China-market projects
| GB/T 3326-2016 | Applicable for furniture stability, strength and durability testing of office chairs; use as acceptance reference for seat and base load performance | |
|---|---|---|
| GB 18401-2010 Class B | Applicable for upholstery textile/faux leather formaldehyde and pH safety requirements; specify as procurement acceptance criterion for direct skin contact materials | |
| GB/T 10357.7-2013 | Applicable for office chair caster rolling durability and base fatigue testing; reference for durability acceptance | |
| GB/T 26182-2010 | Applicable for office chair ergonomic requirements and evaluation; reference for seating comfort and posture support assessment |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applicable for furniture stability, strength and durability testing of office chairs; use as acceptance reference for seat and base load performance; 2. GB 18401-2010 Class B: Applicable for upholstery textile/faux leather formaldehyde and pH safety requirements; specify as procurement acceptance criterion for direct skin contact materials; 3. GB/T 10357.7-2013: Applicable for office chair caster rolling durability and base fatigue testing; reference for durability acceptance; 4. GB/T 26182-2010: Applicable for office chair ergonomic requirements and evaluation; reference for seating comfort and posture support assessment; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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