| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 770 x 760 x 1280 mm | |
|---|---|---|
| Seat width | 560 mm | |
| Seat depth | 530 mm | |
| Seat height range | 570 mm | |
| Backrest height | 820 mm | |
| Backrest width | 540 mm | |
| Armrest height from seat | 210 mm | |
| Five-star base diameter | 690 mm | |
| Caster wheel diameter | 60 mm | |
| Seat cushion thickness | 120 mm | |
| Backrest padding thickness | 80 mm | |
| Wood armrest cross-section | 50 x 35 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
| Recommended user weight capacity | 160 kg | |
|---|---|---|
| Net product weight | 27 kg | |
| Foam density (seat/back) | 45 kg/m³ | |
| Foam rebound rate | 45% | |
| Upholstery abrasion resistance | 50000 cycles | |
| Seam stitch pitch | 8 stitches per 30mm | |
| Tilt mechanism static load rating | 220 kg | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ | |
| Upholstery Thickness / Abrasion Reference | 1.4 mm / 50000 cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | 1.2mm thick brown bonded leather with light contrast stitching | |
|---|---|---|
| Internal cushion support board | 12mm thick molded plywood | |
| Armrest construction | Carved solid hardwood with scroll detailing, top surface padded with bonded leather | |
| Five-star base | Polished solid hardwood with reinforced metal hub insert | |
| Tilt mechanism | 3mm thick stamped steel swivel-tilt chassis with tension adjustment | |
| Gas lift cylinder | Chrome-plated steel Class 4 pneumatic lift, 50mm outer diameter | |
| Caster wheels | Black nylon hooded twin-wheel casters, non-marking tread | |
| Internal padding | High-density polyurethane foam, contoured for lumbar and thigh support | |
| Recline control dial | Black plastic tension adjustment dial mounted on seat side | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame | |
| Five-star Base Material Thickness | Metal base wall 3.5 mm; diameter 700 mm |
Adjustment / rotation / tilt / mobility / storage features
| 360-degree swivel rotation | Full rotation enabled by central swivel bearing in base hub | |
|---|---|---|
| Pneumatic seat height adjustment | 90mm lift stroke controlled by side lever under seat | |
| Swivel tilt recline | 18 degree maximum backward recline with adjustable tension control | |
| Upright position lock | Locking mechanism secures backrest in vertical working position | |
| Smooth rolling mobility | Five dual-wheel casters allow movement on hard floors and low-pile carpet | |
| Integrated lumbar support | Contoured segmented back padding provides built-in mid-back support | |
| Fixed padded armrests | Stationary wood arms provide stable elbow support during desk work | |
| Head and neck support | Tall curved backrest top section supports head during upright seated 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
| 20ft container load quantity | 120 units | |
|---|---|---|
| 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 use | Suitable for director or manager desks in formal office environments | |
|---|---|---|
| Home office setup | Ideal for dedicated home workspaces seeking classic formal aesthetic | |
| Conference room leadership seating | Appropriate for head-of-table seating in formal boardrooms | |
| Reception and VIP meeting areas | Suitable for guest seating in executive reception zones | |
| Commercial office furniture procurement | Meets standard dimension requirements for commercial office seating specs | |
| Seating for users 165–190cm tall | High back and adjustable seat height fit average to tall adult users | |
| 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 safety strength stability | EN 1335:2009 | |
|---|---|---|
| Office chair dimensions determination | EN 1335:2000 | |
| Office chair test methods | EN 1728:2012 |
US and Canada office-furniture standards
| Office chair general purpose tests | ANSI/BIFMA X2017 | |
|---|---|---|
| Office chair caster durability | ANSI/BIFMA X5.1 Test 13 | |
| Gas lift performance requirement | ANSI/BIFMA X5.1 Test 8 | |
| Gas lift service life | 100000 height adjustment cycles |
Standards applicable to China-market projects
| Office chair structural safety | GB/T 3326 | |
|---|---|---|
| Upholstered furniture durability | GB/T 28202 |
This product must meet the following technical requirements: 1. Office chair structural safety: GB/T 3326; 2. Upholstered furniture durability: GB/T 28202; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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