| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 780 x 1020 x 1180 mm | |
|---|---|---|
| Seat height from floor | 450 mm | |
| Seat width | 550 mm | |
| Seat depth | 500 mm | |
| Seat cushion thickness | 120 mm | |
| Backrest total height | 760 mm | |
| Headrest cushion dimensions | 420 x 180 x 80 mm | |
| Lumbar cushion dimensions | 480 x 220 x 70 mm | |
| Armrest height from seat | 220 mm | |
| Armrest height from floor | 670 mm | |
| Leg base width | 680 mm | |
| Glide foot diameter | 40 mm | |
| Backrest width | 530 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Backrest Padding Thickness | 70 mm | |
| Lumbar Support Zone Height | 240 mm |
Net weight / load capacity / users / durability
| Product net weight | 50 kg | |
|---|---|---|
| Recommended static user load | 150 kg | |
| Seat foam density | 50 kg/m³ | |
| Foam rebound rate | 60% | |
| Leather upholstery abrasion resistance | 50000 cycles | |
| Wood frame static load capacity | 500 kg | |
| Recommended continuous sitting duration | 4 hours | |
| Warranty period | 5 years | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Frame construction | Solid hardwood with internal plywood reinforcement | |
|---|---|---|
| Wood finish | Walnut-toned nitrocellulose lacquer | |
| Seat and back upholstery | 1.4mm thick top-grain dark brown leather | |
| Seat cushion support system | Sinuous steel springs with elastic webbing | |
| Cushion filling | High-density polyurethane foam | |
| Armrest structure | Integrated curved solid wood connected to frame | |
| Foot glides | Non-marking black rubber with steel insert | |
| Seam construction | Reinforced polyester stitching with 8mm pitch | |
| Headrest and lumbar cushion filling | Same high-density foam as seat cushion | |
| 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 |
Adjustment / rotation / tilt / mobility / storage features
| Positioning | Fixed stationary seating with no swivel, tilt or height adjustment | |
|---|---|---|
| Head support | Fixed attached padded headrest cushion for neck support | |
| Lumbar support | Fixed attached padded lumbar cushion for lower back support | |
| Arm support | Fixed integrated curved wooden armrests for forearm support | |
| Floor protection | Non-marking rubber glide feet prevent hard floor scratches | |
| Seating stability | Four-point wide-stance solid wood leg base for tip resistance | |
| Upholstery maintenance | Leather surface is stain-resistant and wipe-clean for commercial 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
| Carton dimensions | 800 x 700 x 600 mm | |
|---|---|---|
| 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 meeting rooms | Formal traditional styling matches high-end boardroom and conference environments | |
|---|---|---|
| VIP reception areas | Premium leather and wood finish creates professional welcoming seating for guests | |
| Executive office visitor seating | Stationary design suitable for placement in front of executive desks | |
| Government and institutional meeting spaces | Formal conservative design meets official space aesthetic requirements | |
| Private study or home office | Classic styling works for traditional home office and study room setups | |
| Hotel business centers | Durable construction supports high-traffic commercial hotel guest use | |
| 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 seating strength standard | EN 16139:2013 | |
|---|---|---|
| Office chair stability standard | EN 1022:2018 | |
| Furniture leather upholstery standard | EN 13356:2009 |
US and Canada office-furniture standards
| Lounge and guest chair durability standard | ANSI/BIFMA X2021 |
|---|
Standards applicable to China-market projects
| General office chair dimension standard | GB/T 3326 | |
|---|---|---|
| Furniture mechanical safety standard | GB 28007 | |
| Wood furniture finish safety standard | GB 18584 | |
| Leather upholstery material standard | GB/T 16799 |
This product must meet the following technical requirements: 1. General office chair dimension standard: GB/T 3326; 2. Furniture mechanical safety standard: GB 28007; 3. Wood furniture finish safety standard: GB 18584; 4. Leather upholstery material standard: GB/T 16799; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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