| 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 | |
| Seat depth | 500 | |
| Seat height range (top of cushion to floor) | 540 mm | |
| Backrest height (seat top to headrest top) | 720 | |
| Backrest width | 500 | |
| Headrest dimensions (width x depth) | 300 x 120 mm | |
| Armrest height (top of pad to seat top) | 220 | |
| Armrest width (pad) | 60 | |
| 5-star base diameter | 700 | |
| Caster wheel diameter | 60 | |
| Knee clearance under seat front (front edge to floor at lowest seat height) | 450 | |
| 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 reference | 28 kg | |
|---|---|---|
| Recommended maximum user weight | 150 | |
| Gas lift static load rating | 1000 | |
| Base static load rating | 1100 | |
| Caster rolling durability (hard floor) | 100000 | |
| Tilt mechanism cycle durability | 100000 | |
| Fabric abrasion resistance (leather surface reference) | 20000 | |
| 5-star base static load rating | 1100 kg | |
| Leather surface abrasion resistance | 20000 cycles | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Dark brown leather grain surface | |
|---|---|---|
| Seat and back core padding | Molded high-density polyurethane foam | |
| Internal seat/back frame | Plywood and steel reinforcement frame | |
| Armrest structure | Polished aluminum die-cast frame with leather-padded top | |
| 5-star base | Polished aluminum die-cast 5-leg base | |
| Gas lift cylinder | Black coated steel gas spring with chrome piston rod | |
| Tilt mechanism | Heavy-duty steel synchronous tilt mechanism with black powder coat finish | |
| Casters | Black PU tire caster with chrome fork and dual-wheel design | |
| Stitching | Sewn seam construction on upholstered panels | |
| Seat and backrest upholstery | Dark brown full-grain leather (or premium leatherette) surface with fabric backing, applied via taut upholstery construction | |
| Seat and backrest core padding | Molded high-density polyurethane foam with 45 kg/m³ density, integrally formed for consistent support | |
| Internal seat and back frame | 15 mm thick plywood core with 1.2 mm thick steel tube reinforcement, fastened via screw and rivet combination |
Adjustment / rotation / tilt / mobility / storage features
| Height adjustment | Pneumatic gas-lift seat height adjustment operated by right-side lever, providing 90 mm vertical travel from 450 mm to 540 mm seat height | |
|---|---|---|
| Tilt function | Synchronous seat-back tilt with multi-position locking lever, enabling up to 15° of backrest recline with proportional seat tilt | |
| Swivel function | 360° full rotation around central gas lift column | |
| Mobility | Five dual-wheel PU casters for smooth rolling on hard floors and low-pile carpet, with 60 mm wheel diameter for reduced floor pressure | |
| Headrest support | Fixed integrated padded headrest aligned with upper backrest, providing cervical support in upright and reclined positions | |
| Armrest support | Fixed-height padded armrests with aluminum outer frame, positioned to support forearm during desk work | |
| Load distribution | Die-cast aluminum 5-point base distributes user load evenly across five caster points for stability | |
| Tilt tension adjustment | Rotary tension knob located under seat front, adjusting tilt resistance via spring preload to accommodate user weights up to 150 kg | |
| 360° swivel function | Full 360° rotation around central gas lift column, enabled by precision bearing between mechanism and gas lift top | |
| Floor mobility | Five 60 mm diameter dual-wheel PU casters for smooth rolling on hard floors and low-pile carpet, with single-wheel load capacity of 50 kg for stable movement | |
| Fixed headrest support | Integrated fixed padded headrest positioned at 720 mm above seat surface, providing cervical spine support in both upright and reclined postures | |
| Fixed armrest support | Fixed-height padded armrests positioned 220 mm above seat surface, with 520 mm center-to-center spacing to support forearm rest during desk work |
Verified carton / gross weight / assembly / loading data
| Carton dimensions | 760 x 680 x 420 mm | |
|---|---|---|
| Gross weight per carton | 32 kg | |
| 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 office suites | Suitable for C-suite and manager offices requiring premium leather seating with professional aesthetic and ergonomic tilt support | |
|---|---|---|
| Boardrooms and meeting rooms | Appropriate for conference room head-of-table seating or all-chair premium configurations with 360° swivel for collaborative discussion | |
| High-end home offices | Ideal for residential workspaces seeking durable, professionally styled seating with adjustable height and tilt for extended work sessions | |
| Reception and waiting areas | Suitable for premium visitor seating in lobbies or client meeting zones to convey a polished brand image | |
| Desk-based workstations | Compatible with standard 760 mm height office desks, with 540 mm seat height range to support correct elbow and keyboard posture | |
| Executive private offices | Suitable for C-suite and senior manager private offices, delivering premium leather aesthetic and ergonomic tilt support for 8+ hour daily seated work | |
| Premium reception areas | Suitable for VIP visitor seating in corporate lobbies or client reception zones, conveying a formal and high-end brand image via leather and aluminum material combination | |
| Co-working space premium zones | Applicable for dedicated premium workstations or manager areas in co-working spaces, balancing durable commercial-grade construction with upscale visual appearance |
EU Market Access Requirements* EN Standards
US and Canada office-furniture standards
| North America procurement and testing reference | ANSI/BIFMA X5.1 General-Purpose Office Chairs |
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Standards applicable to China-market projects
This product must meet the following technical requirements: 1. Technical standards and test reports must be supplied during tender or purchase confirmation; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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