| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 620 x 600 x 1050 mm | |
|---|---|---|
| Seat width | 500 mm | |
| Seat depth | 480 mm | |
| Seat height range (max) | 540 mm | |
| Backrest width | 480 mm | |
| Backrest height | 520 mm | |
| Armrest height from seat (max) | 200 mm | |
| Five-star base diameter | 700 mm | |
| Caster diameter | 60 mm | |
| Seat height (max) | 540 mm | |
| Armrest pad width | 80 mm | |
| Seat cushion thickness | 80 mm | |
| Backrest cushion thickness | 60 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Backrest Padding Thickness | 70 mm | |
| Lumbar Support Zone Height | 240 mm |
Net weight / load capacity / users / durability
| Recommended maximum user weight | 120 kg | |
|---|---|---|
| Net weight range (max) | 18 kg | |
| Backrest tilt lock angle (max) | 12 degrees | |
| Gas lift stroke | 100 mm | |
| Armrest static load rating | 80 kg | |
| Caster rolling cycle rating (max) | 100000 cycles | |
| Seat foam density (max) | 45 kg/m³ | |
| 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 backrest upholstery | Black polyurethane faux leather with matte finish | |
|---|---|---|
| Seat cushion foam | High-density polyurethane foam, molded construction | |
| Backrest foam | Medium-density polyurethane foam, contoured support | |
| Internal seat frame | Plywood or steel reinforcement frame | |
| Five-star base | Reinforced nylon (PA) with ribbed underside structure | |
| Gas lift cylinder | Chrome-plated steel Class 3 gas spring | |
| Armrests | Hard nylon T-pad with integral support post | |
| Casters | Dual-wheel black nylon with steel axle | |
| Tilt mechanism housing | Black powder-coated steel chassis | |
| Internal seat and back frame | Plywood-reinforced steel internal frame with welded support brackets | |
| Armrest assembly | Hard nylon T-shaped arm pad with one-piece integrated support post, mounted directly to seat frame | |
| Adjustment control levers | Glass-filled nylon lever handles with steel actuation rods |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | Pneumatic lift via right-side lever, 100 mm total vertical travel | |
|---|---|---|
| Backrest tilt with lock | Sync-style recline up to 12 degrees from upright, with position lock | |
| Tilt tension control | Rotary knob adjusts recline resistance to match user weight | |
| Fixed T-armrests | Stationary height and width, with flat horizontal arm pad | |
| 360-degree swivel | Full continuous rotation around the gas lift axis | |
| Mobility | Five dual-wheel casters for rolling on carpet and hard floors | |
| Weight distribution | Five-point base load spread for stable seating under 120 kg maximum user load | |
| Backrest tilt with position lock | Sync-style recline mechanism delivering up to 12 degrees of backward tilt from upright seat position, with single-position lock | |
| Tilt tension adjustment | Rotary tension knob under front of seat adjusts recline resistance to match user body weight | |
| Fixed T-armrest support | Stationary armrests with fixed height and fixed width, fitted with flat horizontal arm pads for forearm resting | |
| 360-degree swivel function | Full continuous unobstructed rotation around the vertical gas lift axis | |
| Multi-surface mobility | Five dual-wheel swivel casters enable rolling movement on low-pile carpet and hard office flooring |
Verified carton / gross weight / assembly / loading data
| Packaging format | 1 carton per unit, flat-pack knockdown configuration | |
|---|---|---|
| Carton dimensions | 750 x 650 x 350 mm | |
| Gross weight | 21 kg | |
| Volume per carton | 0.171 CBM | |
| Assembly time (max) | 30 minutes | |
| 20ft container loading quantity (max) | 240 units | |
| Warranty period (commercial use) | 2 years | |
| 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
| General office workstations | Suitable for 8-hour daily desk work at standard 760 mm height desks | |
|---|---|---|
| Conference and meeting rooms | Appropriate for visitor and attendee seating around conference tables | |
| Home office and remote work | Compatible with residential desk setups and mixed flooring types | |
| Administrative and reception areas | Suitable for front-desk and administrative staff seating | |
| Co-working and flexible spaces | Fit for shared workstations with rotating users | |
| Co-working and flexible workspaces | Fit for shared hot-desk workstations with rotating daily 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
| EN 1335-1 | 2020 | |
|---|---|---|
| EN 1335-2 | 2019 |
US and Canada office-furniture standards
| North America procurement and testing reference | ANSI/BIFMA X5.1 General-Purpose Office Chairs |
|---|
Standards applicable to China-market projects
| GB/T 14728.1-2022 || Recommended Chinese national standard for office furniture - chairs - Part 1 | Determination of dimensions, applicable for dimensional acceptance of office task chairs | |
|---|---|---|
| GB/T 39223.3-2020 || Recommended Chinese national standard for office furniture - Chairs - Part 3 | Mechanical safety requirements and test methods, applicable for structural load and durability acceptance |
This product must meet the following technical requirements: 1. GB/T 14728.1-2022 || Recommended Chinese national standard for office furniture - chairs - Part 1: Determination of dimensions, applicable for dimensional acceptance of office task chairs; 2. GB/T 39223.3-2020 || Recommended Chinese national standard for office furniture - Chairs - Part 3: Mechanical safety requirements and test methods, applicable for structural load and durability acceptance; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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