| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 620 x 630 x 1100 mm | |
|---|---|---|
| Seat height from floor | 450 mm | |
| Seat depth | 500 mm | |
| Seat width | 520 mm | |
| Backrest height | 680 mm | |
| Backrest width | 510 mm | |
| Armrest height from floor | 660 mm | |
| Armrest width (wood section) | 45 mm | |
| Leg cross-section | 50 x 50 mm | |
| Seat cushion thickness | 80 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 per unit | 20 kg | |
|---|---|---|
| Recommended static load capacity | 150 kg | |
| Foam density (seat cushion) | 45 kg/m³ | |
| Foam rebound rate | 60% | |
| PU upholstery abrasion resistance | 30000 Martindale cycles | |
| Static frame load rating | 500 kg | |
| Seam stitch pitch | 8 mm | |
| Recommended user weight limit | 120 kg | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Frame and legs | Red-brown lacquered solid bentwood, 20 mm thick formed sections | |
|---|---|---|
| Seat and back internal support | 15 mm plywood inner frame | |
| Seat cushion padding | 80 mm thick 45 kg/m³ high-density cold-cured foam | |
| Backrest padding | 50 mm thick 40 kg/m³ high-resilience foam | |
| Upholstery material | 1.2 mm thick black abrasion-resistant PU leather | |
| Armrest construction | Integral bentwood arm connected to front leg and back frame | |
| Frame finish | Baked red-brown wood lacquer, polished smooth surface | |
| Hardware connections | Zinc-plated steel screw and dowel joinery between wood sections | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame | |
| Gas-lift Engineering Specification | Recommended Class 4; outer tube 50 mm; stroke 100 mm | |
| Tilt Mechanism Plate Thickness | 2.5 mm cold-rolled steel |
Adjustment / rotation / tilt / mobility / storage features
| Adjustment functions | No height, tilt, swivel, or recline adjustment; fully fixed stationary design | |
|---|---|---|
| Mobility | No casters, designed for fixed placement in meeting spaces | |
| Back support | Segmented vertically stitched high back supporting lumbar and upper back | |
| Armrest support | Fixed curved wooden armrests providing stable forearm support for seated users | |
| Seat comfort | Thick contoured foam cushion with rounded front edge reducing leg pressure | |
| Structural stability | Four-point fixed leg contact with floor preventing tipping during normal use | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120 kg | |
| Height Adjustment Stroke | 100 mm continuous travel | |
| 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
| Corporate conference rooms | Formal fixed seating positioned around meeting tables for long meetings | |
|---|---|---|
| Executive office visitor areas | Guest seating placed in front of executive desks for visitor meetings | |
| Training room seating | Fixed durable seating for training and seminar room layouts | |
| Reception and waiting areas | Formal seating for corporate lobby and reception waiting spaces | |
| Government meeting spaces | Compliant seating design for institutional and government meeting rooms | |
| 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
| Office furniture - Office work chairs | EN 1335:2020 | |
|---|---|---|
| Furniture - Seating - Test methods for strength and durability | EN 1728:2014 |
Standards applicable to China-market projects
| General technical requirement for office furniture chairs | GB/T 3326 | |
|---|---|---|
| Furniture mechanical performance test for seating | GB/T 10357.3 | |
| Limit of harmful substances in upholstered furniture | GB 18584 |
This product must meet the following technical requirements: 1. General technical requirement for office furniture chairs: GB/T 3326; 2. Furniture mechanical performance test for seating: GB/T 10357.3; 3. Limit of harmful substances in upholstered furniture: GB 18584; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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