| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 680 x 700 x 1220 mm | |
|---|---|---|
| Seat width | 520 mm | |
| Seat depth | 500 mm | |
| Seat height range (floor to seat top) | 520 mm | |
| Backrest height (seat top to headrest bottom) | 580 mm | |
| Backrest width | 500 mm | |
| Headrest dimensions | 360 x 150 x 80 mm | |
| Armrest height (seat top to arm top) | 210 mm | |
| Armrest pad size | 280 x 70 mm | |
| 5-star base diameter | 680 mm | |
| Caster diameter | 60 mm | |
| Armrest pad size (length x width) | 280 x 70 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
| Net weight reference | 22 kg | |
|---|---|---|
| Recommended static load capacity | 150 kg | |
| Gas lift travel stroke | 120 mm | |
| Caster rolling durability reference | 100000 cycles | |
| Seam pitch | 6 stitches per 20 mm | |
| Net unit weight | 22 kg | |
| Maximum gas lift travel stroke | 120 mm | |
| Upholstery seam pitch | 6 stitches per 20 mm | |
| Foam indentation load deflection (seat center) | 45 kg | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat, back and headrest upholstery | Smooth light-grey faux leather (PVC/PU blend) surface with padded foam core | |
|---|---|---|
| Seat and back foam padding | High-resilience polyurethane foam, 60 mm thick at seat center and 40 mm at back center | |
| Internal seat/back frame | Plywood and steel internal support frame under foam | |
| Armrest structure | Light-grey rigid polymer outer shell with matching faux leather padded top, attached to seat frame sides | |
| 5-star base | Polished chrome-plated steel tubular frame with 5 legs | |
| Gas lift cylinder | Chrome-plated steel pneumatic gas lift cylinder with 50 mm outer tube diameter | |
| Casters | Black nylon wheel with black housing, swivel mounting to base legs | |
| Tilt mechanism chassis | Black powder-coated 2.5 mm thick steel plate chassis under seat, connecting gas lift to seat frame with tension spring | |
| Seat foam padding | High-resilience polyurethane foam, 60 mm thick at seat center with 45 kg/m³ nominal density | |
| Backrest foam padding | High-resilience polyurethane foam, 40 mm thick at lumbar center with 35 kg/m³ nominal density | |
| Internal seat/back support frame | 12 mm thick plywood panel reinforced with 1.2 mm thick steel tube sub-frame, fully encased in foam padding | |
| Caster assembly | Black nylon wheel with black PP housing, 360° swivel mounting with steel axle to base legs |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | Pneumatic gas lift operated by left-side lever, providing vertical height adjustment across 120 mm travel | |
|---|---|---|
| Swivel function | 360-degree continuous rotation around the central gas lift column, enabled by swivel bearing between mechanism and base | |
| Tilt mechanism | Seat-back synchronous tilt with adjustable tension and lockable upright position, controlled by under-seat lever and knob | |
| Fixed headrest | Padded headrest mounted at top of backrest for upper neck and head support, fixed non-adjustable position from visible structure | |
| Fixed armrests | Rigidly mounted armrests with padded top surface, providing stationary forearm support at fixed height relative to seat | |
| Mobility | Five swivel casters for omnidirectional rolling on hard or carpeted office floors, mounted at each end of the 5-star base | |
| 360-degree swivel function | Continuous 360-degree rotation around the central gas lift column, enabled by ball-bearing swivel interface between tilt mechanism and 5-star base | |
| Synchronous tilt mechanism | Seat-back synchronous tilt with adjustable tension knob and lockable upright position, controlled by under-seat lever and side knob, offering 13 degrees maximum backrest recline angle | |
| Fixed headrest support | Padded headrest rigidly mounted at top of backrest for upper neck and head support, fixed non-adjustable position with no height or angle adjustment joints | |
| Fixed armrest support | Rigidly mounted armrests with padded top surface, providing stationary forearm support at 210 mm fixed height relative to seat surface, no lateral or vertical adjustment | |
| Omnidirectional mobility | Five 360° swivel casters for omnidirectional rolling on hard or low-pile carpeted office floors, mounted at each distal end of the 5-star base | |
| Recline Angle / Lock Reference | 125° with 3 suggested lock positions |
Verified carton / gross weight / assembly / loading data
| Packaging configuration | 1 chair per 2 cartons (seat-back assembly and base hardware kit) | |
|---|---|---|
| Total gross weight | 25 kg | |
| Total gross shipping weight | 25 kg | |
| Total packaged volume | 0.27 m³ | |
| Single-person assembly time | 40 minutes | |
| 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 | |
| Reference Carton Volume | 0.26 m³/set |
Recommended spaces / users / usage modes
| Private executive offices | Suitable for C-suite and senior manager workstations, providing formal aesthetic and full-body support for extended daily seated work | |
|---|---|---|
| Boardroom and meeting rooms | Appropriate as head-of-table seating or premium guest chairs in conference spaces, matching modern light-toned office interiors | |
| Design-focused workspaces | Well-suited for creative studios, architectural firms and boutique offices where clean minimal styling matches workplace design direction | |
| Reception and hospitality areas | Usable as premium visitor seating in reception lounges or client meeting zones, conveying a professional first impression | |
| Home office premium setups | Suitable for high-end home workspaces requiring ergonomic adjustability combined with residential-friendly aesthetic | |
| Design-focused professional workspaces | Well-suited for creative studios, architectural firms and boutique offices where clean minimal styling matches workplace design direction | |
| Reception and client hospitality areas | Usable as premium visitor seating in reception lounges or client meeting zones, conveying a professional, high-quality first impression | |
| Recommended Matching Desk Size | 2.4 m executive desk |
EU Market Access Requirements* EN Standards
| EN 1335-1:2020 | Applicable reference standard for office chair dimensions, safety and stability for executive seating in European markets | |
|---|---|---|
| EN 1335-2:2019 | Applicable reference standard for office chair safety requirements and test methods; recommended for structural safety validation for EU market procurement |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2021 | Applicable performance standard for general office chairs covering stability, strength and durability; recommended for US market procurement validation |
|---|
Standards applicable to China-market projects
| GB/T 14728.1-2021 | Applicable for office chair strength, durability and stability testing reference; buyer may request test report against this standard for acceptance | |
|---|---|---|
| GB/T 3326-2016 | Applicable reference standard for furniture, seating, and determination of dimensions; recommended for verifying ergonomic dimension compliance of executive chairs |
This product must meet the following technical requirements: 1. GB/T 14728.1-2021: Applicable for office chair strength, durability and stability testing reference; buyer may request test report against this standard for acceptance; 2. GB/T 3326-2016: Applicable reference standard for furniture, seating, and determination of dimensions; recommended for verifying ergonomic dimension compliance of executive chairs; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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