| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 620 x 580 x 920 mm | |
|---|---|---|
| Seat width | 520 mm | |
| Seat depth | 480 mm | |
| Seat height | 470 mm | |
| Backrest height | 450 mm | |
| Backrest width | 480 mm | |
| Armrest height above seat | 210 mm | |
| Armrest pad width | 55 mm | |
| Caster diameter | 50 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
| Product weight range | 13 kg | |
|---|---|---|
| Seat static load capacity | 120 kg | |
| Caster rolling durability | 100000 cycles | |
| Backrest lateral stability load | 35 kg | |
| Product net weight | 13 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 | |
| Five-star Base Static Load Reference | Acceptance target ≥120 kg; chair reference load 150 kg | |
| Gas-lift Cycling Reference | Acceptance target 100000 cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest surface | Grey elastic mesh with horizontal weave pattern | |
|---|---|---|
| Backrest frame | Black plastic inner frame supporting mesh tension | |
| Seat cushion | Grey woven fabric upholstery over polyurethane foam core | |
| Armrests | White hard plastic one-piece arm structure with angular design | |
| Chair base | Chrome-plated steel cantilever 4-leg frame with bended tubular steel | |
| Casters | Black nylon twin-wheel casters with standard office chair stem | |
| Seat support plate | Black steel mounting plate under cushion connecting to base | |
| Sewing details | Locked seam construction along seat cushion perimeter | |
| Backrest inner frame | Black reinforced plastic perimeter frame with molded rib structure, holding mesh under uniform tension | |
| Seat cushion core | High-resilience polyurethane foam core with molded contoured shape, cut to seat dimensions | |
| Seat upholstery | Grey woven polyester fabric cover, wrapped around foam core with locked edge stitching | |
| Chair base frame | Chrome-plated carbon steel cantilever 4-leg frame, constructed from bent round tubular steel with welded cross braces |
Adjustment / rotation / tilt / mobility / storage features
| Mobility | Dual-wheel nylon casters on all four legs enable smooth rolling on hard office floors and carpet | |
|---|---|---|
| Fixed seating height | Cantilever steel base provides a fixed working seat height without pneumatic adjustment | |
| Fixed armrest support | Angular white armrests are rigidly mounted to the chair frame for stable forearm and upper body support | |
| Breathable back support | Tensioned mesh backrest provides passive lumbar and upper back support with air circulation | |
| Stackable design potential | Cantilever 4-leg frame geometry typically allows vertical stacking for storage and room rearrangement | |
| Lightweight transport | Low overall weight and caster configuration allow easy movement between meeting rooms and workstations | |
| Multi-surface mobility | Four twin-wheel nylon casters mounted to each leg end provide 360-degree swivel rolling on hard office floors and low-pile carpet with 50mm wheel diameter | |
| Stackable storage design | Cantilever 4-leg frame geometry enables vertical nesting for storage, with minimum 8 chairs stackable for space saving during room rearrangement | |
| Lightweight room reconfiguration | 13kg net weight combined with four rolling casters allows single-person manual movement between meeting rooms and storage areas without lifting equipment | |
| Static stability support | 580mm wide x 560mm deep chrome-plated steel cantilever base provides 120kg static seat load capacity with tip resistance for regular meeting use | |
| Recline Angle / Lock Reference | 125° with 3 suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120 kg |
Verified carton / gross weight / assembly / loading data
| Number of packages | 1 carton | |
|---|---|---|
| Carton dimensions | 650 x 600 x 480 mm | |
| Gross weight per carton | 15 kg | |
| Volume per carton | 0.187 CBM | |
| Assembly time per unit | 20 minutes | |
| 20ft container loading quantity | 180 units | |
| Number of packages per unit | 1 carton | |
| Single carton dimensions | 650 x 600 x 500 mm | |
| Warranty period | 2 years | |
| Reference Package Count | 1 set / 2 cartons |
Recommended spaces / users / usage modes
| Conference and meeting rooms | Designed for boardrooms and team meeting spaces, providing breathable seating for short to medium duration meetings | |
|---|---|---|
| Training and seminar venues | Appropriate for training rooms requiring easy chair rearrangement and stackable storage between sessions | |
| Open plan workstations | Suitable as guest seating or temporary work seating in open office environments | |
| Reception and waiting areas | Used in visitor waiting zones to offer modern-styled, space-efficient seating with a professional appearance | |
| Educational and co-working spaces | Fit for co-working lounges and study areas requiring durable, low-maintenance seating for multiple daily users | |
| Corporate conference and meeting rooms | Suitable for boardrooms and internal team meeting spaces with 750mm standard height tables, providing breathable seating for 4 hour meetings | |
| Open plan office guest seating | Used as temporary visitor seating or collaborative working seating alongside open plan workstations | |
| Co-working and educational spaces | Fit for co-working lounges, university study commons and multi-purpose activity rooms requiring durable, easy-to-move shared seating |
EU Market Access Requirements* EN Standards
| Safety and strength | EN 1335:2020 applies as a European reference standard for office work chairs part 1: dimensions, safety requirements and strength test methods | |
|---|---|---|
| Flammability for upholstered seating | EN 1021:2014 applies as a reference for upholstered furniture ignitability assessment by cigarette source | |
| Office chair safety and strength | EN 1335:2020 applies as a European reference standard for office work chairs dimensions, safety requirements and strength test methods | |
| Upholstered seating ignitability | EN 1021:2014 applies as a reference for upholstered furniture ignitability assessment by cigarette source | |
| Chair stability evaluation | EN 1022:2018 applies as a reference for seating stability testing for all types of chairs |
US and Canada office-furniture standards
| Office chair performance standard | Recommended references: ANSI/BIFMA X2021 BIFMA product | |
|---|---|---|
| Caster and base durability | BIFMA X5.1 test methods for casters, chair bases and static/impact loads serve as procurement acceptance reference | |
| Caster and base durability test | BIFMA X2017 test methods for casters, chair bases and static/impact loads serve as procurement acceptance reference | |
| Seat and back durability test | BIFMA X2017 cyclic durability test methods for seat and backrest serve as procurement acceptance reference |
Standards applicable to China-market projects
| General technical requirements | GB/T 3326 applies as a Chinese national reference standard for furniture tables, chairs and stools dimensions and general technical conditions | |
|---|---|---|
| Mechanical safety requirements | GB 28007 applies as a reference for office furniture mechanical strength and stability test methods for chairs | |
| Hazardous substance limit | GB 18584 applies as a reference for formaldehyde emission and heavy metal limits in wood-based panels and upholstery materials | |
| General technical requirements for furniture | GB/T 3326 applies as a Chinese national reference standard for tables, chairs and stools dimensions and general technical conditions | |
| Office chair mechanical safety test | GB/T 28007 applies as a reference for office furniture chair mechanical strength and stability test methods | |
| Hazardous substance limit for wood furniture | GB 18584 applies as a reference for formaldehyde emission and heavy metal limits in upholstery and plastic components |
This product must meet the following technical requirements: 1. General technical requirements: GB/T 3326 applies as a Chinese national reference standard for furniture tables, chairs and stools dimensions and general technical conditions; 2. Mechanical safety requirements: GB 28007 applies as a reference for office furniture mechanical strength and stability test methods for chairs; 3. Hazardous substance limit: GB 18584 applies as a reference for formaldehyde emission and heavy metal limits in wood-based panels and upholstery materials; 4. General technical requirements for furniture: GB/T 3326 applies as a Chinese national reference standard for tables, chairs and stools dimensions and general technical conditions; 5. Office chair mechanical safety test: GB/T 28007 applies as a reference for office furniture chair mechanical strength and stability test methods; 6. Hazardous substance limit for wood furniture: GB 18584 applies as a reference for formaldehyde emission and heavy metal limits in upholstery and plastic components; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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