| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 660 x 680 x 1250 mm | |
|---|---|---|
| Seat width | 520 mm | |
| Seat depth | 490 mm | |
| Maximum seat height | 540 mm | |
| Backrest height | 750 mm | |
| Backrest width | 520 mm | |
| Maximum armrest height | 730 mm | |
| 5-star base diameter | 640 mm | |
| Caster diameter | 50 mm | |
| Seat cushion thickness | 100 mm | |
| Backrest padding thickness | 80 mm | |
| Wood armrest cross-section thickness | 40 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Lumbar Support Zone Height | 240 mm | |
| Clear Width Between Armrests | 540 mm |
Net weight / load capacity / users / durability
| Net weight | 25 kg | |
|---|---|---|
| Recommended static user load | 150 kg | |
| Seat foam density | 60 kg/m³ | |
| Backrest fill rebound rate | 45% | |
| Seat foam rebound rate | 55% | |
| Seat upholstery abrasion resistance | 50000 double rubs | |
| Structure warranty period | 3 years | |
| Available color options | 2 | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat upholstery | 1.2mm thick brown leather, stitched seam pitch 8mm | |
|---|---|---|
| Seat internal support board | 12mm thick multi-layer plywood | |
| Backrest internal support board | 20mm thick multi-layer plywood | |
| Armrest construction | Solid stained hardwood with brushed chrome accent trim at joints | |
| 5-star base construction | Solid stained hardwood with matte protective clear coat | |
| Gas lift cylinder | 50mm diameter steel, Class 3 pneumatic lift | |
| Tilt mechanism plate | 3mm thick stamped steel, spring-loaded tension adjustment | |
| Caster construction | Hard-wearing PU dual-wheel casters with metal mounting stems | |
| Seam construction | Reinforced bonded nylon thread with edge piping | |
| Upholstery padding | High-resilience polyurethane molded foam | |
| 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
| Seat height adjustment | 100mm vertical travel via pneumatic gas lift, 540 mm seat height range | |
|---|---|---|
| Swivel function | 360-degree full rotation around central vertical axis | |
| Tilt recline function | 18-degree maximum backward recline with user-adjustable tension control | |
| Tilt lock function | Infinite position lock to secure preferred recline angle during use | |
| Mobility function | Omnidirectional rolling on 5 dual-wheel PU casters for hard and soft floors | |
| Back support design | Segmented padded sections with built-in lumbar contour for lower back support | |
| Armrest support | Fixed curved wood armrests positioned for neutral elbow rest at desk 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
| Private executive office use | Formal traditional styling matches senior management office workspaces for extended daily use | |
|---|---|---|
| Home office traditional decor | Warm wood trim and brown leather complements classic traditional home interiors | |
| Conference meeting room seating | Formal aesthetic suits boardroom and high-level meeting spaces for executive use | |
| Commercial reception areas | Polished professional appearance creates a welcoming impression for guest seating | |
| Desk height compatibility | Adjustable seat height pairs with 760 mm standard office desk work surfaces | |
| User suitability | Supports adult users up to 150kg for daily 8-hour seated office work tasks | |
| 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 | Applies to office chair dimensional safety and performance criteria for evaluation | |
|---|---|---|
| EN 1335-2:2018 | Applies to office chair mechanical strength and stability verification requirements | |
| EN 1335-3:2009 | Applies to office chair test methods for structural durability validation |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general-purpose office chair safety and performance benchmarking | |
|---|---|---|
| BIFMA X5.1 Test 7 | Applies to static backrest load testing for 68kg load capacity verification | |
| Caster rolling durability | 40000 cycles |
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to office chair dimensional and structural stability requirements for evaluation | |
|---|---|---|
| GB/T 10357.3-2013 | Applies to office chair mechanical strength and durability test methods for procurement verification | |
| GB 20210-2006 | Applies to anti-tipping stability requirements for office seating products |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to office chair dimensional and structural stability requirements for evaluation; 2. GB/T 10357.3-2013: Applies to office chair mechanical strength and durability test methods for procurement verification; 3. GB 20210-2006: Applies to anti-tipping stability requirements for office seating products; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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