| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 620 x 660 x 890 mm | |
|---|---|---|
| Seat height range | 490 mm | |
| Seat width | 510 mm | |
| Seat depth | 480 mm | |
| Backrest height | 430 mm | |
| Backrest width | 500 mm | |
| Armrest height above seat | 220 mm | |
| Five-star base diameter | 640 mm | |
| Caster diameter | 50 mm | |
| Seat shell plywood thickness | 12 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 net weight | 18 kg | |
|---|---|---|
| Maximum recommended user weight | 136 kg | |
| Gas lift vertical stroke | 100 mm | |
| Seat upholstery foam thickness | 60 mm | |
| Backrest upholstery foam thickness | 30 mm | |
| Seat static load rating | 150 kg | |
| Caster rolling durability | 40000 cycles | |
| Chrome base static load rating | 1136 kg | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and backrest upholstery | 1.2mm thick polyurethane (PU) leather in light beige, with matching edge stitching, 6mm seam pitch | |
|---|---|---|
| Seat/back inner shell | 12mm thick bent plywood with walnut wood veneer finish on outer visible surfaces, light natural veneer edge banding | |
| Seat cushion foam | 55kg/m³ high-density polyurethane foam, 45% rebound rate | |
| Backrest foam | 45kg/m³ high-density polyurethane foam, 40% rebound rate | |
| Armrest structure | Integral molded plywood shell wrapped in the same light beige PU leather, fixed position no padding gaps | |
| Five-star base | 1.5mm thick polished chrome plated steel, tubular construction, five radial arms | |
| Gas lift cylinder | Class 3 steel gas lift, 50mm outer diameter, chrome plated finish | |
| Casters | Twin-wheel casters with black nylon wheel core and chrome plated metal yoke, hard floor compatible | |
| Stitching thread | Polyester bonded thread matched to upholstery color, uniform seam spacing | |
| 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 central swivel joint between gas lift and seat mechanism, free rotation without locking stops | |
|---|---|---|
| Seat height adjustment | 100mm vertical height adjustment via pneumatic gas lift, activated by side lever under seat (positioned per standard configuration), locks at any height within travel range | |
| Caster mobility | Smooth rolling on hard tile and low-pile carpet surfaces via 50mm twin-wheel casters, zero horizontal movement lock for stationary seating | |
| Fixed armrest support | Integrated fixed armrests provide stable forearm support at desk height, no height or width adjustment, continuous curved design connecting seat to backrest | |
| Seat position fixity | No tilt or recline function, seat and back maintain fixed relative angle for upright conference/meeting seating | |
| Floor protection | Soft nylon caster wheels prevent scratching of polished tile, wood, and laminate office flooring without requiring separate caster replacements | |
| 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
| Shipping carton dimensions | 680 x 640 x 560 mm | |
|---|---|---|
| Gross shipping weight | 21 kg | |
| Shipping volume (CBM) | 0.244 CBM | |
| Assembly time per unit | 20 minutes | |
| 20ft GP container loading quantity | 270 units | |
| 40ft HQ container loading quantity | 660 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
| Executive private office | Suitable for placement behind executive desks, matching modern walnut wood office casegoods with its two-tone walnut and light beige finish for a professional cohesive aesthetic | |
|---|---|---|
| Corporate conference/meeting rooms | Ideal for boardroom and meeting room seating, with neutral color scheme and mobile base for easy reconfiguration around conference tables, upright fixed angle for long meeting use | |
| Consulting and client reception areas | Appropriate for client-facing office spaces, with polished chrome and wood detailing creating a premium welcoming impression without overly casual ergonomic adjustment features | |
| Home office workspaces | Suitable for premium home office setups paired with mid-century modern or contemporary desks, compact footprint fits smaller home work areas without overwhelming residential spaces | |
| Co-working open plan offices | Usable in dedicated workstations and meeting pods within co-working facilities, durable construction supports high-frequency multi-user daily use | |
| 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 applicability | This European standard defines dimensional and safety requirements for office work chairs, applicable for evaluating seat dimensions, stability, and clearance for EU market supply | |
|---|---|---|
| EN 1335-2:2018 applicability | This standard specifies strength, durability, and stability test methods for office chairs, applicable for third-party quality verification of the base, gas lift, and structural connections |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 applicability | This North American standard establishes general-purpose office chair performance requirements, including static load, cycle testing, and stability criteria applicable for commercial project procurement |
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Standards applicable to China-market projects
| GB 18584-2001 applicability | This standard sets limits for harmful substance emissions (formaldehyde, heavy metals) from wooden and upholstered furniture, applicable to validate compliance of the plywood shell and PU upholstery |
|---|
This product must meet the following technical requirements: 1. GB 18584-2001 applicability: This standard sets limits for harmful substance emissions (formaldehyde, heavy metals) from wooden and upholstered furniture, applicable to validate compliance of the plywood shell and PU upholstery; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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