| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 680 x 700 x 1250 mm | |
|---|---|---|
| Seat width | 520 mm | |
| Seat depth | 500 mm | |
| Seat height adjustment range | 520 mm | |
| Backrest total height | 780 mm | |
| Headrest width | 380 mm | |
| Armrest height above seat | 220 mm | |
| Five-star base radius | 350 mm | |
| Caster diameter | 60 mm | |
| Maximum seat height above floor | 520 mm | |
| Backrest width | 480 mm | |
| Headrest dimensions | 380 x 120 x 80 mm | |
| Five-star base diameter | 700 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Backrest Padding Thickness | 70 mm | |
| Lumbar Support Zone Height | 240 mm |
Net weight / load capacity / users / durability
| Product net weight | 28 kg | |
|---|---|---|
| Maximum static user weight capacity | 150 kg | |
| Recommended maximum user weight | 120 kg | |
| Seat foam compression resistance | 40 kPa | |
| Back foam compression resistance | 35 kPa | |
| Caster rolling durability | 100000 cycles | |
| Tilt mechanism cycle durability | 60000 cycles | |
| Gas lift stroke length | 100 mm | |
| Seat foam density | 45 kg/m3 | |
| Back foam density | 35 kg/m3 |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat upholstery | 1.2mm thick polyurethane faux leather | |
|---|---|---|
| Backrest upholstery | 1.2mm thick matching brown polyurethane faux leather | |
| Armrest pads | 60mm thick wood-grain finished polyurethane padding | |
| Armrest supports | 2mm thick polished die-cast aluminum alloy | |
| Seat frame shell | 2.5mm thick brushed and polished aluminum alloy | |
| Tilt mechanism chassis | 3mm thick stamped black powder-coated steel | |
| Five-star base | 3mm thick polished die-cast aluminum alloy | |
| Gas lift cylinder | Class 3 black hard-chrome plated steel | |
| Casters | Black hard-wearing polyurethane twin-wheel casters | |
| Internal cushion core | Molded high-density polyurethane foam | |
| Backrest internal support frame | 15mm thick multi-layer plywood with steel reinforcement | |
| Seam stitching | High-tenacity polyester thread with 8mm stitch pitch |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | Pneumatic adjustment controlled by right-side under-seat lever, 100mm vertical travel, locks at any set height within range | |
|---|---|---|
| Synchronized tilt recline | Synchronized mechanism linking seat and backrest at 1:1.8 recline ratio, maximum 15-degree backward tilt, lockable in upright position via under-seat lever | |
| Fixed position armrests | Rigid non-adjustable armrests at fixed height, width and angle, providing stable forearm support during typing and meeting use | |
| Integrated headrest support | Fixed angled upper headrest section contoured to support cervical spine during upright seated work and slight recline | |
| Smooth caster mobility | Twin-wheel casters roll freely with 360-degree swivel per caster, designed to move quietly across hard flooring and low-pile carpet without leaving marks | |
| Tilt tension adjustment | Rotary tension knob under front seat edge, adjusts recline resistance across 10 incremental settings to match user body weight, preventing uncontrolled backward recline | |
| Integrated fixed headrest support | Fixed angled upper headrest section contoured to support cervical spine during upright seated work and slight recline, with no independent adjustment visible on the product | |
| 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
| Number of shipping cartons | 1 carton | |
|---|---|---|
| Shipping carton dimensions | 880 x 680 x 420 mm | |
| Shipping gross weight | 32 kg | |
| Shipping volume per unit | 0.251 CBM | |
| Required assembly time | 25 minutes | |
| 20ft GP container loading quantity | 108 units | |
| 40ft HQ container loading quantity | 265 units | |
| Reference Package Count | 1 set / 2 cartons | |
| Reference Assembly Time | 40 minutes per set | |
| Reference Carton Dimensions | 850× 420× 720 mm |
Recommended spaces / users / usage modes
| Executive private offices | Premium brown leather appearance and polished aluminum finish suits formal senior management workspaces, projecting a professional and sophisticated aesthetic | |
|---|---|---|
| Corporate boardrooms and meeting rooms | Fixed armrests and stable high-back design support extended seated use during long meetings and client presentations, matching formal meeting room décor | |
| Senior management home offices | Ergonomic support and premium appearance work in dedicated residential workspaces, balancing professional function and refined domestic styling | |
| Client reception and consultation areas | Upholstered comfort and professional appearance create a polished welcoming space for guest seating in law firms, financial offices and executive suites | |
| Standard height office desks | Adjustable seat height range is compatible with 760 mm standard office desk heights, suitable for use with standard executive desks and conference tables | |
| Users 155-190cm tall | Seat depth, backrest height and height adjustment range support ergonomic posture for the majority of adult users in daily office work | |
| Standard height fixed office desks | 100mm seat height adjustment range is compatible with 760 mm standard office desk heights, suitable for use with standard executive desks, conference tables and height-adjustable desks set to standard working height | |
| Open plan executive work zones | Quiet-rolling casters and scratch-resistant aluminum frame finish suit open-plan senior work areas, reducing noise transfer during repositioning while maintaining a consistent premium aesthetic |
EU Market Access Requirements* EN Standards
| EN 1335-1:2020 | Office work chair dimensional and safety requirements, applicable as European market reference for seat height, clearance and stability verification | |
|---|---|---|
| EN 1335-2:2018 | Office chair mechanical performance requirements, applicable for structural strength, durability and stability testing acceptance reference | |
| EN 1335-3:2020 | Office chair test method standard, defining standard protocols for verifying load, tilt and durability performance |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Office chair safety and performance standard, applicable as North American market reference for static load, cycle durability, stability and caster performance verification | |
|---|---|---|
| ANSI/BIFMA X5.4-2022 | Lounge and executive seating performance standard, applicable as supplementary reference for premium high-back executive chair durability requirements |
Standards applicable to China-market projects
| GB/T 10357.2-2013 | Furniture mechanical performance test standard for chairs, applicable for static load, fatigue and impact testing as procurement verification reference | |
|---|---|---|
| GB/T 10357.3-2013 | Furniture chair stability test standard, applicable for verifying anti-tip performance under forward, rearward and lateral load conditions | |
| GB 28007-2011 | General technical requirements for children's and office furniture, applicable for verifying formaldehyde emission and hazardous substance limits for upholstered components |
This product must meet the following technical requirements: 1. GB/T 10357.2-2013: Furniture mechanical performance test standard for chairs, applicable for static load, fatigue and impact testing as procurement verification reference; 2. GB/T 10357.3-2013: Furniture chair stability test standard, applicable for verifying anti-tip performance under forward, rearward and lateral load conditions; 3. GB 28007-2011: General technical requirements for children's and office furniture, applicable for verifying formaldehyde emission and hazardous substance limits for upholstered components; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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