| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| overall dimensions | 680 x 670 x 1100 mm | |
|---|---|---|
| seat height | 500 mm | |
| seat width | 570 mm | |
| seat depth | 530 mm | |
| backrest height above seat | 710 mm | |
| armrest height above seat | 220 mm | |
| leg front-rear spacing | 600 mm | |
| front leg cross-section | 50 x 50 mm | |
| armrest width | 80 mm | |
| seat pad front edge thickness | 70 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 static load capacity | 150 kg | |
|---|---|---|
| net weight reference | 24 kg | |
| design service life | 5 years | |
| upholstery abrasion resistance | 3000 cycles | |
| seat foam density | 50 kg/m³ | |
| back foam density | 35 kg/m³ | |
| wood frame moisture content | 8% | |
| anti-slip foot pad static friction coefficient | 0.6 | |
| 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 | Polished solid hardwood with walnut-red lacquer finish | |
|---|---|---|
| armrests | Integrated curved solid wood with smooth lacquered surface | |
| seat upholstery | Black matte faux leather (PU) with segmented vertical stitching | |
| backrest upholstery | Black matte faux leather (PU) with stitched channel detailing | |
| seat internal support board | 12 mm thick plywood substrate | |
| seat padding | High-resilience polyurethane foam, 70 mm thick | |
| back padding | High-resilience polyurethane foam, 50 mm thick | |
| foot pads | Wear-resistant rubber anti-slip pads | |
| joint hardware | Zinc-plated steel bolts and corner brackets | |
| 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
| seating posture support | Fixed upright posture designed for formal meeting and boardroom use | |
|---|---|---|
| armrest support | Fixed curved wood armrests positioned to support forearms during note-taking | |
| floor stability | Four solid wood legs with rubber pads provide static stable placement | |
| seat pressure distribution | Rolled front seat edge reduces pressure on back of thighs | |
| back support design | Vertically segmented stitched back provides lumbar and upper back support | |
| installation type | Knock-down assembly with bolted frame joints | |
| 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 boardrooms | Formal high-back design matches executive meeting room aesthetics for long sessions | |
|---|---|---|
| conference and meeting rooms | Fixed non-rolling design keeps consistent seating arrangement for group meetings | |
| reception and guest waiting areas | Polished wood frame and black leather create a professional welcoming appearance | |
| executive office guest seating | Formal design complements executive desks for visitor seating use | |
| government and institutional offices | Conservative durable construction meets public sector procurement durability requirements | |
| training and seminar rooms | Comfortable padded support for full-day training and lecture sessions | |
| 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 1335-2:2018 | Applicable to office seating, sets safety and structural performance requirements | |
|---|---|---|
| EN 1022:2018 | Applicable to seating stability, sets test methods for static chair stability | |
| EN 14465:2006 | Applicable to upholstery fabrics/leather, sets abrasion and durability requirements |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applicable to office chairs, sets load, durability and safety benchmarks for commercial seating |
|---|
Standards applicable to China-market projects
| GB/T 3324-2017 | Applicable to wooden office furniture, sets general technical requirements for solid wood frames | |
|---|---|---|
| GB/T 16799-2008 | Applicable to PU leather upholstery, sets performance requirements for faux leather furniture | |
| GB 18584-2001 | Applicable to wooden furniture, sets formaldehyde and harmful substance emission limits | |
| GB/T 10357.3-2013 | Applicable to chair mechanical performance, sets strength and durability test methods |
This product must meet the following technical requirements: 1. GB/T 3324-2017: Applicable to wooden office furniture, sets general technical requirements for solid wood frames; 2. GB/T 16799-2008: Applicable to PU leather upholstery, sets performance requirements for faux leather furniture; 3. GB 18584-2001: Applicable to wooden furniture, sets formaldehyde and harmful substance emission limits; 4. GB/T 10357.3-2013: Applicable to chair mechanical performance, sets strength and durability test methods; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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