| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| overall dimensions | 620 x 600 x 1010 mm | |
|---|---|---|
| seat width | 500 mm | |
| seat depth | 480 mm | |
| seat height range | 520 mm | |
| backrest width | 480 mm | |
| backrest height | 560 mm | |
| armrest height from seat | 200 mm | |
| armrest pad dimensions | 240 x 60 mm | |
| 5-star base diameter | 600 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
| recommended maximum user weight | 120 kg | |
|---|---|---|
| chair net weight range | 13 kg | |
| seat foam density reference | 45 kg/m³ | |
| backrest tilt lock angle range | 12° | |
| caster rolling durability reference | 100000 cycles | |
| stitch pitch on seat upholstery | 6 stitches per 25 mm | |
| seat foam density | 45 kg/m³ | |
| backrest tilt lock angle | 12° | |
| gas lift stroke length | 80 mm | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| backrest panel | Breathable black nylon mesh stretched over a rigid plastic frame with integrated lumbar support shape | |
|---|---|---|
| seat cushion | Molded polyurethane foam core wrapped in black woven fabric upholstery | |
| armrests | Hard plastic arm pads mounted on black painted steel support posts fixed to the seat frame | |
| gas lift cylinder | Chrome-plated steel pneumatic height-adjustment cylinder | |
| tilt mechanism | Black powder-coated steel tilt chassis with single control lever under the seat | |
| 5-star base | One-piece injection-molded black nylon five-leg base with ribbed structural reinforcement | |
| casters | Black nylon dual-wheel casters with plastic mounting stems inserted into base sockets | |
| internal seat frame | Plywood or steel inner frame supporting the foam cushion | |
| seat cushion core | Molded polyurethane foam core with consistent density distribution | |
| seat upholstery | Black woven fabric cover stitched around the foam cushion with locked seam construction | |
| armrest assembly | Hard plastic arm pads mounted on black painted steel support posts fixed directly to the seat inner frame | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board |
Adjustment / rotation / tilt / mobility / storage features
| seat height adjustment | Pneumatic height adjustment operated by the right-side lever, providing 80 mm of vertical travel to match different desk heights | |
|---|---|---|
| backrest tilt with tension control | Synchro-tilt mechanism allowing the backrest to recline up to 12° from upright, with adjustable tilt tension via a knob under the seat | |
| 360-degree swivel | Full 360-degree continuous rotation enabled by the gas lift and tilt mechanism interface, for multi-directional desk access | |
| fixed height armrests | Non-adjustable T-shaped armrests set at a fixed 200 mm height above the seat, providing stable forearm support during typing | |
| integrated lumbar contour | Y-shaped structural rib in the lower backrest creates a contoured lumbar support zone to maintain natural spinal curvature | |
| mobility on five casters | Five dual-wheel casters enable smooth rolling across office floors and distribute load for stable static positioning | |
| fixed height armrest support | Non-adjustable T-shaped armrests set at a fixed 200 mm height above the seat, providing stable forearm support during typing and mouse operation | |
| integrated lumbar contour support | Y-shaped structural rib in the lower backrest creates a contoured lumbar support zone to maintain natural spinal curvature during extended seating | |
| multi-surface mobility | Five dual-wheel casters enable smooth rolling across office floors and distribute static load for stable stationary positioning | |
| Recline Angle / Lock Reference | 125° with 3 suggested 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
| shipping carton count | 1 carton per chair | |
|---|---|---|
| carton dimensions | 650 x 620 x 320 mm | |
| gross weight per carton | 15 kg | |
| cubic meters per unit | 0.129 CBM | |
| assembly time per unit | 30 minutes | |
| 20-foot container load quantity | 260 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 |
Recommended spaces / users / usage modes
| open-plan office workstations | Suitable for daily 8-hour use in open office environments, pairing with standard 760 mm high desks to support focused computer work | |
|---|---|---|
| staff work desks and call centers | Appropriate for high-density seating deployments where durable, breathable and easy-to-maintain task seating is required | |
| meeting and training rooms | Well-suited for conference and training room seating due to swivel mobility, compact footprint and stackable-compatible knock-down form | |
| home office setups | Works for personal home offices with standard desks, offering basic ergonomic adjustment at an accessible price point | |
| temporary workstations and hot-desking | Ideal for hot-desk and flexible seating areas because of lightweight mobility, neutral black finish and easy cleaning | Caster mobility and universal height range accommodate frequent users of different statures | |
| 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 for office chair dimensions, safety and strength requirements for general office use | |
|---|---|---|
| EN 1022:2018 | Applicable for assessing chair stability under static loading conditions |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2021 | Applicable standards and test results require confirmation |
|---|
Standards applicable to China-market projects
| GB/T 38607-2020 | Applicable for evaluating office chair mechanical strength, stability and durability during incoming inspection | |
|---|---|---|
| GB 18401-2010 Class B | Applicable for fabric upholstery formaldehyde and harmful substance limits for direct skin contact |
This product must meet the following technical requirements: 1. GB/T 38607-2020: Applicable for evaluating office chair mechanical strength, stability and durability during incoming inspection; 2. GB 18401-2010 Class B: Applicable for fabric upholstery formaldehyde and harmful substance limits for direct skin contact; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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