| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 740 x 770 x 1234 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 reference | 28 kg | |
|---|---|---|
| Recommended static load capacity | 181 kg | |
| Seat foam density | 45 kg/m³ | |
| Backrest foam density | 35 kg/m³ | |
| Foam rebound rate | 45% | |
| Seat upholstery abrasion resistance | 200000 cycles | |
| Five-star base static load rating | 1136 kg | |
| Caster rolling durability | 100000 cycles | |
| Recline angle from upright position | 135 degrees | |
| Seam stitch pitch | 8 mm |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Two-tone grey PU leatherette with grained texture | |
|---|---|---|
| Armrest outer panels | Textured dark grey composite panel with chrome decorative strips | |
| Armrest padding | Wrapped high-density foam matching seat upholstery | |
| Internal seat/back frame | 18 mm plywood reinforced with steel bracing | |
| Five-star base | 2.5 mm thick polished chrome-plated steel | |
| Gas lift cylinder | Class 4 steel, 50 mm outer diameter, 90 mm stroke | |
| Recline mechanism plate | 3 mm thick stamped steel with tension adjustment | |
| Caster wheels | Dual-wheel PU tread with black nylon hub, chrome accent ring | |
| Footrest structure | Padded PU top with steel support rails, chrome trim edge | |
| Chrome accent hardware | Polished chrome-plated steel decorative bands and adjustment levers | |
| 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
| Pneumatic seat height adjustment | Class 4 gas lift provides 90 mm vertical travel, controlled by side lever | |
|---|---|---|
| 360-degree swivel rotation | Full rotation around central column for multi-directional access | |
| Multi-position recline lock | Recline mechanism locks at angles between 90 and 135 degrees, adjustable tension | |
| Retractable padded footrest | Extends 420 mm forward from under seat, folds flush when not in use | |
| Tilt tension adjustment | Knob under seat adjusts recline resistance to match user weight | |
| Smooth caster mobility | Dual-wheel casters roll on hard floors and low-pile carpet without scratching | |
| Fixed padded armrests | Wide upholstered arms provide stable forearm support at fixed height | |
| Integrated padded headrest | Contoured top back section supports neck during upright and reclined use | |
| 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
| Executive private office | Formal styling and recline function suit long-duration use by senior management | |
|---|---|---|
| Home office workspace | Comfort padding and footrest support extended work or short rest breaks | |
| Managerial meeting rooms | Professional appearance suitable for meeting or visitor seating | |
| Commercial reception areas | Polished chrome and leatherette finish creates premium visitor impression | |
| 24/7 shift workstations | Heavy-duty construction supports continuous multi-user operation | |
| Recommended pairing | Matches executive desks 760 mm high for standard seated work posture | |
| 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 chairs – safety requirements, applicable for basic safety validation | |
|---|---|---|
| EN 1335-2:2009 | Office chair structural strength and durability test standards, for performance validation | |
| EN 1021-1:2014 | Upholstered furniture ignition resistance (cigarette test), applicable for upholstery checks |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1 Clause 5 | Backrest durability test: 120000 cycles for repeated recline use |
|---|
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to internal frame components | |
|---|---|---|
| GB/T 10357.3-2013 | Office chair strength and durability test methods, applicable for structural validation | |
| GB 18584-2001 | Limits of harmful substances in wood furniture, applicable for panel and adhesive checks |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to internal frame components; 2. GB/T 10357.3-2013: Office chair strength and durability test methods, applicable for structural validation; 3. GB 18584-2001: Limits of harmful substances in wood furniture, applicable for panel and adhesive checks; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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