| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (W x D x H) | 720 x 780 x 1280 mm | |
|---|---|---|
| Seat width | 520 mm | |
| Seat depth | 500 mm | |
| Seat height range (floor to top of seat) | 500 mm | |
| Backrest height (seat top to headrest top) | 780 mm | |
| Backrest width | 540 mm | |
| Armrest height (seat top to armrest top) | 210 mm | |
| Armrest pad dimensions (W x D) | 80 x 320 mm | |
| Chrome five-star base diameter | 700 mm | |
| Caster diameter | 65 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 | 150 kg | |
|---|---|---|
| Net weight reference | 28 kg | |
| Seat foam density reference | 45 kg/m³ | |
| Back foam density reference | 35 kg/m³ | |
| Swivel rotation | 360 degrees | |
| Tilt mechanism locking positions | 5 positions | |
| Gas-lift stroke | 120 mm | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Upholstery Thickness / Abrasion Reference | 1.4 mm / 50000 cycles | |
| Five-star Base Static Load Reference | Acceptance target ≥120 kg; chair reference load 150 kg |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Brown leather-faced surface with stitched padded panels | |
|---|---|---|
| Seat cushion fill | High-density polyurethane foam with layered padding structure | |
| Backrest fill | Multi-zone polyurethane foam with padded lumbar and headrest sections | |
| Internal seat frame | Plywood or bent wood panel with steel reinforcement brackets | |
| Armrest structure | Polished chrome-plated metal outer frame with leather-padded top | |
| Five-star base | Polished chrome-plated steel five-point base | |
| Casters | Hard nylon or polyurethane wheels with metal bearing housings | |
| Tilt mechanism housing | Steel chassis with black powder-coated lower cover | |
| Stitching details | Vertical decorative and structural stitching on back panels | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame | |
| Gas-lift Engineering Specification | Recommended Class 4; outer tube 50 mm; stroke 100 mm |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | Pneumatic gas-lift adjustment controlled by a side lever, allowing vertical seat positioning within a total 120 mm stroke | |
|---|---|---|
| Backrest tilt and lock | Synchro or knee-tilt mechanism with multi-position locking, allowing the backrest to recline and lock in up to 5 selected angles | |
| 360-degree swivel | Full continuous rotation around the central gas-lift axis, supported by a bearing assembly in the base | |
| Fixed padded armrests | Sculpted arm supports with leather-padded tops at a fixed 210 mm height above the seat, providing elbow and forearm support during typing and resting | |
| Integrated headrest section | Extended high-back design with a padded top section for head and neck support, shaped to align with upright and reclined postures | |
| Mobility on floor surfaces | Five twin-wheel casters mounted at each base leg tip, enabling rolling movement on carpet and hard floors when pushed | |
| Weight distribution base | Five-point chrome base spreading load across a 700 mm diameter footprint for stability during swiveling and tilting | |
| 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
| Number of packaging cartons | 2 cartons | |
|---|---|---|
| Carton 1 dimensions (chair body) | 850 x 700 x 450 mm | |
| Carton 2 dimensions (base kit) | 720 x 720 x 250 mm | |
| Gross weight total | 32 kg | |
| Total CBM per unit | 0.40 m³ | |
| Assembly time per unit (single worker) | 40 minutes | |
| 20 ft container loading quantity | 80 units | |
| 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
| Executive and C-suite offices | Suitable for senior manager and executive workstations, providing a premium leather appearance and high-back support for long working hours | |
|---|---|---|
| Conference and boardroom seating | Appropriate for head-of-table or leadership positions in boardrooms and meeting rooms, matching formal interior schemes | |
| Home office premium setups | Suitable for high-end home workspaces paired with large executive desks, offering full back and head support during extended remote work | |
| Reception and visitor lounge premium zones | Usable as designated seating in upscale reception areas to convey a professional and welcoming impression | |
| Control room and monitoring offices | Suitable for 8-hour seated work in control rooms where adjustable height and tilt support are needed to maintain alert posture | |
| 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
| Office chair safety and durability | Recommended references: EN 1335:2020 | |
|---|---|---|
| Upholstered furniture fire safety | Recommended references: EN 1021 |
US and Canada office-furniture standards
| Chair stability and strength | Recommended references: ANSI/BIFMA X2017 |
|---|
Standards applicable to China-market projects
| Seat and back stability under load | Recommended references: GB/T 14729 | |
|---|---|---|
| Upholstery flammability guidance | Recommended references: GB 20286 |
This product must meet the following technical requirements: 1. Seat and back stability under load: Recommended references: GB/T 14729; 2. Upholstery flammability guidance: Recommended references: GB 20286; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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