| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (W × D × H) | 680 × 680 × 1110 mm | |
|---|---|---|
| Seat height range (adjustable) | 550 mm | |
| Five-star caster base diameter | 680 mm | |
| Seat width (usable surface) | 530 mm | |
| Seat depth (usable surface) | 510 mm | |
| Backrest height (from seat surface) | 420 mm | |
| Integrated armrest height (from seat surface) | 180 mm | |
| Seat height adjustment travel | 130 mm | |
| Caster diameter (twin wheel) | 50 mm | |
| Gas lift cylinder outer diameter | 50 mm | |
| Seat pan cushion thickness | 80 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
| Recommended maximum user weight capacity | 150 kg | |
|---|---|---|
| Net product weight range (reference) | 11 kg | |
| Caster rolling durability (reference) | 100000 rolling cycles | |
| Available standard color count | 6 | |
| Standard limited warranty period | 5 years | |
| 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
| Seat and backrest upholstery | 1.0mm thick polyurethane (PU) faux leather, wear-resistant surface treatment, visible perimeter stitching | |
|---|---|---|
| Seat and backrest padding | High-density molded urethane foam, 45kg/m³ density, 40% rebound rate | |
| Outer seat/back shell with integrated armrests | 5mm thick molded white polypropylene (PP) copolymer, smooth matte finish | |
| Five-star caster base | 8mm thick polished die-cast aluminum, polished mirror finish, ribbed structural reinforcement | |
| Height adjustment gas lift cylinder | Class 4 steel gas lift, 2.5mm wall thickness, chrome-plated outer tube, QPQ surface treatment | |
| Tilt adjustment mechanism | 3mm thick stamped steel tilt chassis, black powdercoat finish, tension adjustment knob, single-position tilt lock | |
| Rolling casters | 50mm diameter twin-wheel polyurethane casters, black hard tread, chrome-plated steel wheel yokes | |
| Center swivel connection | Powdercoated steel swivel hub, full 360° rotation bearing, secure to seat pan with four mounting bolts | |
| Upholstery seam pitch | 8mm stitch spacing, matching color polyester thread, reinforced edge stitching at armrest corners | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame | |
| Tilt Mechanism Plate Thickness | 2.5 mm cold-rolled steel |
Adjustment / rotation / tilt / mobility / storage features
| 360-degree swivel rotation | Full 360° horizontal rotation enabled by precision bearing in the center swivel hub, no rotation stops, allows easy access to surrounding work surfaces without repositioning the base | |
|---|---|---|
| Pneumatic seat height adjustment | Under-seat paddle lever controls Class 4 gas lift, provides 130mm of vertical seat height travel to align with standard 760 mm desk heights for users 190 cm tall | |
| Rocker tilt function | Second under-seat lever activates tilt lock, allows up to 20° of backward recline, adjustable tension knob modulates tilt resistance to match user weight, locks in upright position for focused typing work | |
| Integrated fixed armrest support | Molded shell armrests provide 180mm high padded support for forearms during typing, no height/width/pivot adjustment, curved edge reduces forearm pressure during extended seated work | |
| Rolling mobility on five casters | Five twin-wheel polyurethane casters mounted to each base leg, distribute weight evenly, roll smoothly on hard floors and low-pile carpet without scratching floor surfaces | |
| Tilt rocker angle range | 20° | |
| 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
| Knock-down package count | 1 carton | |
|---|---|---|
| Carton external dimensions (L × W × H) | 750 × 650 × 500 mm | |
| Gross packaged weight | 18 kg | |
| Packaged volume (CBM) | 0.244 CBM | |
| Required assembly time | 30 minutes | |
| 20ft GP container loading quantity | 270 units | |
| 40ft HQ container loading quantity | 650 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
| Home office workspaces | Compact footprint and minimalist aesthetic fits small home office desks and compact work nooks, height adjustment matches standard home desk heights for daily remote work | |
|---|---|---|
| Corporate open plan task areas | Polished aluminum base and neutral beige/white finish fits modern office interiors, swivel and mobility supports frequent task switching between work surfaces | |
| Conference and meeting rooms | Low-profile upholstered design provides clean visual presence in meeting spaces, rolling casters allow easy reconfiguration of seating around conference tables | |
| Vanity and makeup desk use | Compact size and soft beige upholstery matches bedroom vanity setups, height adjustment aligns with standard vanity table heights for seated grooming | |
| Co-working and shared workspaces | Durable construction and easy-to-clean faux leather upholstery supports frequent multi-user use, neutral color scheme coordinates with diverse workspace decor | |
| Reception and guest seating | Sleek contemporary design provides professional guest seating in office reception areas, swivel function allows guests to orient toward reception staff or waiting areas | |
| 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 | Applicable European standard for office task chair dimensional safety and performance requirements, defining critical user interface dimensions | |
|---|---|---|
| EN 1335-2:2018 | Applicable European standard for office task chair mechanical strength and stability test methods, minimum requirement for commercial office furniture supply | |
| EN 1335-3:2020 | Applicable European standard for office task chair structural safety and durability, covering component fatigue and cyclic load performance |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applicable North American standard for general-purpose office chairs, defining minimum performance, durability and safety requirements for task seating | |
|---|---|---|
| Gas lift durability rating (reference) | 100000 height adjustment cycles | |
| Five-star base static load rating (reference) | 1136 kg | |
| Backrest static load rating (reference) | 68 kg |
Standards applicable to China-market projects
| GB/T 3326-2016 | Applicable standard for office chair dimensional measurement and tolerance requirements, to be used for incoming inspection of overall and component dimensions | |
|---|---|---|
| GB/T 10357.3-2013 | Applicable standard for office chair mechanical property testing, including static load, fatigue and impact resistance requirements for seat, back and base | |
| GB 20216-2023 | Applicable standard for upholstered furniture environmental protection requirements, limiting formaldehyde and harmful substance emissions from foam and upholstery materials |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applicable standard for office chair dimensional measurement and tolerance requirements, to be used for incoming inspection of overall and component dimensions; 2. GB/T 10357.3-2013: Applicable standard for office chair mechanical property testing, including static load, fatigue and impact resistance requirements for seat, back and base; 3. GB 20216-2023: Applicable standard for upholstered furniture environmental protection requirements, limiting formaldehyde and harmful substance emissions from foam and upholstery materials; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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