| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 720 x 750 x 1280 mm | |
|---|---|---|
| Seat width | 520 | |
| Seat depth | 500 | |
| Seat height range | 480 | |
| Backrest height | 780 | |
| Backrest width | 500 | |
| Armrest height from seat | 220 | |
| Armrest width | 90 | |
| Base diameter | 700 | |
| Caster diameter | 60 | |
| Headrest height | 280 | |
| 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 | 150 | |
|---|---|---|
| Chair net weight range | 28 | |
| Seat foam density | 45 | |
| Backrest foam density | 35 | |
| Gas lift stroke | 120 | |
| Chair tilt angle range | 135 | |
| Swivel rotation | 360 | |
| Caster rolling durability cycles | 100000 | |
| Recommended maximum user static load | 150 kg | |
| Gas lift vertical stroke | 120 mm |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and backrest upholstery | Brown smooth leather covering padded foam core | |
|---|---|---|
| Internal seat frame | Plywood and steel reinforced internal support frame | |
| Arms | Padded with matching leather outer, integrated structural inner frame | |
| Base | Chrome-plated aluminum five-star base | |
| Casters | Black nylon swivel casters with chrome accents | |
| Gas lift | Chrome-plated steel gas lift cylinder | |
| Tilt mechanism chassis | 3 mm thick stamped steel multi-function tilt plate, with powder-coated black finish and integrated lever and tension knob mounts | |
| Internal seat support frame | 15 mm thick plywood reinforced with 2 mm thick steel tube peripheral frame, connected via screw and rivet fastening | |
| Armrest assembly | Molded foam core wrapped in matching brown leather, with integrated polypropylene inner structural frame fixed to seat side brackets | |
| Five-star base | Polished chrome-plated die-cast aluminum five-legged base, with 4 mm average wall thickness and integrated gas lift mounting boss | |
| Caster assembly | Black nylon wheel body with chrome-plated steel mounting stem, featuring dual-wheel rolling structure and swivel bearing | |
| Headrest cushion | Molded polyurethane foam core with matching brown leather upholstery, integrally stitched to upper backrest frame |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | Pneumatic gas lift adjustment with 120 mm vertical stroke, controlled by right-side lever | |
|---|---|---|
| Backrest tilt function | Multi-position lockable backrest with tilt tension adjustment, locking at up to 135° recline angle | |
| 360-degree swivel | Full 360-degree continuous rotation around central gas lift column | |
| Integrated headrest support | Fixed contoured fixed headrest section with molded foam for neck support | |
| Padded armrest support | Fixed position padded armrests providing forearm support at 220 mm above seat surface | |
| Smooth rolling mobility | Five dual-wheel casters for hard floor and carpet surfaces with 100000 cycle rolling durability | |
| Tilt tension control | Rotary knob adjustable tilt tension adjustment to match user body weight | |
| 360-degree full swivel rotation | Bearing-equipped swivel joint between gas lift and tilt mechanism, enabling continuous 360° rotation of seat and backrest around central vertical axis | |
| Fixed padded armrest support | Fixed-position contoured armrests mounted to seat side brackets, providing forearm support at 220 mm above seat surface with no height or width adjustment | |
| Integrated headrest neck support | Fixed contoured headrest section at top of backrest, with 280 mm vertical height to support cervical spine during upright and reclined postures | |
| Tilt tension adjustment | Rotary tension knob located at front of tilt mechanism, adjusting spring resistance to match user body weight between 50 kg and 150 kg load range | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions |
Verified carton / gross weight / assembly / loading data
| Packaging units | 1 carton per chair | |
|---|---|---|
| Carton dimensions | 820 x 550 x 350 mm | |
| Gross weight per carton | 32 kg | |
| Single carton volume | 0.158 m³ | |
| Assembly time per unit | 50 minutes | |
| 20-foot container loading quantity | 180 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 office suites | Suitable for C-suite and manager office workstations, providing formal business meeting rooms | |
|---|---|---|
| Corporate boardrooms | Suitable for boardroom and conference room head-of-table seating | |
| Home office premium workspace | Suitable for high-end home office setups with executive desk configurations | |
| Reception and visitor areas | Suitable for premium reception and visitor seating in executive lobbies | |
| 8-hour daily work use | Suitable for full-time daily office use up to 8 hours per day | |
| Executive private offices | Suitable for C-suite and senior manager private office workstations, paired with executive desks for daily administrative and decision-making work | |
| High-end reception areas | Suitable for executive floor reception lobbies and VIP visitor waiting areas, providing temporary seating for important guests | |
| 8-hour daily commercial use | Suitable for full-time daily office use with up to 8 hours of continuous seating per day for users weighing up to 150 kg |
EU Market Access Requirements* EN Standards
| BS EN 1335-1 | 2020 Furniture - Office work chair - Part 1: Dimensions - Determination of dimensions |
|---|
US and Canada office-furniture standards
| North America procurement and testing reference | ANSI/BIFMA X5.1 General-Purpose Office Chairs |
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Standards applicable to China-market projects
This product must meet the following technical requirements: 1. Technical standards and test reports must be supplied during tender or purchase confirmation; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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