| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 760 x 690 x 1255 mm | |
|---|---|---|
| Seat width | 520 mm | |
| Seat depth | 500 mm | |
| Maximum seat height from floor | 545 mm | |
| Minimum seat height from floor | 445 mm | |
| Backrest height | 780 mm | |
| Armrest height above seat | 220 mm | |
| Five-star base diameter | 700 mm | |
| Caster diameter | 65 mm | |
| Backrest width at widest point | 540 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 | 20 kg | |
| Base static load capacity | 1136 kg | |
| Caster rolling durability cycle count | 100000 cycles | |
| Gas lift vertical adjustment stroke | 100 mm | |
| Maximum seat tilt angle | 18 degrees | |
| Foam density (seat and back padding) | 40D | |
| Seam stitch pitch | 8 mm | |
| 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 | 1.2mm thick dark gray wear-resistant PU leather | |
|---|---|---|
| Seat internal support | 18mm thick molded plywood panel | |
| Back internal frame | 1.5mm thick tubular iron frame with spring support | |
| Seat and back padding | 40D high-resilience polyurethane foam | |
| Armrest supports | Polished chrome-plated solid steel cantilever frames | |
| Armrest pads | PU leather-padded curved top surfaces matching seat upholstery | |
| Five-star base | Polished die-cast aluminum alloy with brushed chrome finish | |
| Gas lift cylinder | Chrome-plated Class 3 pneumatic steel cylinder | |
| Tilt mechanism plate | 2.5mm thick black powder-coated steel | |
| Casters | Black dual-wheel polyurethane soft casters | |
| 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
| 360-degree swivel rotation | Full 360° horizontal rotation enabled by central swivel joint | |
|---|---|---|
| Pneumatic seat height adjustment | 100mm vertical travel via Class 3 gas lift, actuated by seat-side lever | |
| Seat tilt with tension control | Tilt tension adjusted via underside knob to match user body weight | |
| Multi-position tilt locking | 4-position lock to fix recline angle at preferred working positions | |
| Smooth rolling mobility | Dual-wheel PU casters roll on hard floors and low-pile carpet without scratching | |
| Contoured back support | Tall contoured backrest provides full lumbar and upper back support during long work sessions | |
| Waterfall seat edge | Curved front seat edge reduces pressure on back of thighs for extended seating | |
| Fixed padded armrests | Curved chrome armrests provide stable arm support at desk working height | |
| 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 offices | Professional formal seating for manager and director workspaces, matching executive desk setups | |
|---|---|---|
| Open-plan managerial workstations | Durable adjustable seating for senior staff in open office environments | |
| Conference and board rooms | Formal visitor and meeting seating for high-level corporate meetings | |
| Home executive home offices | Premium ergonomic seating for remote work and home professional spaces | |
| Commercial reception areas | Welcoming professional seating for VIP guest reception 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
| EN 1335-1:2020 | Office furniture - Office work chair dimensional, safety and strength requirements |
|---|
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | General-purpose office chairs safety and durability performance requirements |
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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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