| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 660 x 660 x 1030 mm | |
|---|---|---|
| Seat height from floor | 450 mm | |
| Seat cushion width | 500 mm | |
| Seat cushion depth | 480 mm | |
| Seat cushion thickness | 80 mm | |
| Backrest total height | 640 mm | |
| Backrest lumbar section height | 220 mm | |
| Backrest upper section height | 240 mm | |
| Armrest height from seat | 220 mm | |
| Leg cross-section width | 60 mm | |
| Knee clearance height under seat | 370 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 product weight | 25 kg | |
|---|---|---|
| Recommended static load capacity | 150 kg | |
| Seat foam density | 40 kg/m³ | |
| Foam rebound rate | 60% | |
| Upholstery abrasion resistance | 50000 Martindale cycles | |
| Applicable user count | 1 person | |
| Seam stitch pitch | 8 mm | |
| Frame static load rating | 200 kg | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Structural frame | Polished reddish-brown solid hardwood, lacquered finish | |
|---|---|---|
| Seat upholstery | 1.2mm thick black PU faux leather, breathable matte finish | |
| Backrest upholstery | Matching black PU faux leather, horizontally segmented padded panels | |
| Seat padding | High-density polyurethane foam, wrapped with soft fiber top layer | |
| Backrest padding | Dual-density polyurethane foam, firmer lumbar support section | |
| Internal support panel | 18mm thick multi-layer bent plywood under upholstery | |
| Armrest construction | Solid carved hardwood with scroll end detail, polished lacquer finish | |
| Leg construction | Solid square-section hardwood, reinforced mortise and tenon joinery | |
| Surface coating | Clear polyurethane lacquer with semi-gloss finish on wood | |
| 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
| Base configuration | Fixed four-leg non-swivel base with no rolling casters | |
|---|---|---|
| Adjustment functions | No height, tilt or recline adjustment, fixed upright posture | |
| Arm support | Fixed integrated curved wood armrests for stable elbow support | |
| Back support | Segmented three-section high backrest for lumbar and upper back support | |
| Seat function | Contoured thick padded seat for even weight distribution during long meetings | |
| Mobility | Stationary non-mobile design for fixed meeting room layouts | |
| Upholstery maintenance | Stain-resistant smooth leather surface for easy wipe cleaning | |
| 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
| Executive conference rooms | Formal high-back design suits boardroom and executive meeting spaces for senior staff | |
|---|---|---|
| Government and institutional offices | Conservative traditional styling matches formal official meeting and reception areas | |
| Executive private offices | Matches traditional solid wood office furniture sets for visitor seating in front of desks | |
| Formal reception areas | Durable construction and professional appearance suitable for VIP guest waiting zones | |
| Commercial training rooms | Fixed stable base works for permanent training room layouts with fixed tables | |
| Recommended matching furniture | Pairs with polished reddish-brown solid wood conference tables and executive desks for coordinated style | |
| 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 chairs - Part 1: Dimensions, applicable to seating dimension verification | |
|---|---|---|
| EN 1022:2018 | Domestic and non-domestic furniture - Seating - Determination of stability | |
| EN 12520:2015 | Furniture - Strength, durability and safety requirements for non-domestic seating |
US and Canada office-furniture standards
| North America procurement and testing reference | Recommended references: ANSI/BIFMA X5.1 |
|---|
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to solid wood frame structural testing | |
|---|---|---|
| GB/T 16799-2008 | Specification for polyurethane synthetic leather used in furniture upholstery | |
| GB 18584-2001 | Limit of harmful substances in wooden furniture for indoor use, formaldehyde emission requirement |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to solid wood frame structural testing; 2. GB/T 16799-2008: Specification for polyurethane synthetic leather used in furniture upholstery; 3. GB 18584-2001: Limit of harmful substances in wooden furniture for indoor use, formaldehyde emission requirement; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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