| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 680 x 620 x 1280 mm | |
|---|---|---|
| Seat width | 520 | |
| Seat depth | 500 | |
| Seat height range max | 540 | |
| Backrest height | 680 | |
| Backrest width | 500 | |
| Headrest width | 320 | |
| Headrest depth | 120 | |
| Armrest height from seat | 220 | |
| 5-star base diameter | 700 | |
| Caster diameter | 60 | |
| 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 range upper | 22 | |
|---|---|---|
| Static load capacity max | 150 | |
| Cushion foam density | 45 | |
| Backrest foam density | 35 | |
| Fabric abrasion resistance cycles | 50000 | |
| Seam stitch count per 100mm | 45 | |
| Swivel rotation degrees | 360 | |
| Tilt lock angle max | 135 | |
| 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 | Smooth faux leather (PVC/PU blend) with matte finish | |
|---|---|---|
| Seat and backrest cushion | High-density polyurethane foam with layered padding structure | |
| Armrest structure and pad | Black rigid plastic frame with matching faux leather padded top | |
| Internal support frame | Plywood and steel reinforced inner frame | |
| Gas lift cylinder | Class 3 chrome-plated steel gas spring | |
| 5-star base | Reinforced nylon plastic with matte black finish | |
| Casters | Black dual-wheel nylon casters with steel axle | |
| Tilt mechanism | Steel synchro-tilt or knee-tilt chassis with plastic trim cover | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame | |
| Five-star Base Material Thickness | Metal base wall 3.5 mm; diameter 700 mm | |
| Caster Engineering Specification | 5 PU-tread swivel casters, 60 mm diameter |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | Pneumatic gas lift operated by side lever, providing 100mm vertical travel from minimum to maximum seat height | |
|---|---|---|
| Swivel function | Full 360-degree rotation around central gas lift axis, supported by precision bearing | |
| Backrest tilt and lock | Multi-position tilt mechanism with locking positions up to 135 degrees recline, controlled by side lever and tension knob | |
| Headrest support | Fixed-position padded headrest aligned to upper backrest, providing neck and head support for tall users | |
| Armrest support | Fixed-height padded armrests with open side-frame design, positioned at 220mm above the seat surface | |
| Mobility | 5 dual-wheel casters distributed across the 700mm diameter 5-star base, enabling smooth rolling on office flooring | |
| Tension adjustment | Rotary tension knob under seat adjusts recline resistance to match user body weight | |
| Gas lift stroke | 100 | |
| 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
| Packing configuration | 1 chair per carton, flat-packed with disassembled base, gas lift, mechanism, seat-back assembly and hardware kit | |
|---|---|---|
| Carton dimensions | 780 x 650 x 380 mm | |
| 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 | |
| Indicative 20GP Loading | 135 sets at 85% space utilization | |
| Indicative 40HQ Loading | 320 sets at 85% space utilization |
Recommended spaces / users / usage modes
| Executive and private office | Suitable for C-suite, manager and director workstations, supporting 8-hour daily seated work with professional aesthetic | |
|---|---|---|
| Conference and meeting rooms | Appropriate for premium meeting suites and boardrooms where ergonomic support and formal appearance are required | |
| Home office and study | Compatible with dedicated home workspaces, combining commercial-grade ergonomics with compact 680mm width footprint | |
| Reception and visitor areas | Usable as upgraded guest seating in front-of-house and VIP reception zones, presenting a consistent modern corporate image | |
| Procurement matching note | Pairs with 2000 mm wide executive desks and L-shaped workstations; verify floor surface type before selecting caster hardness | |
| 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
US and Canada office-furniture standards
| North America procurement and testing reference | ANSI/BIFMA X5.1 General-Purpose Office Chairs |
|---|
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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