| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 650 x 600 x 1100 mm | |
|---|---|---|
| Seat front width | 510 mm | |
| Seat depth | 550 mm | |
| Seat height from floor | 520 mm | |
| Backrest total height above seat | 570 mm | |
| Backrest top section width | 470 mm | |
| Armrest outer span width | 590 mm | |
| 5-star base diameter | 700 mm | |
| Caster wheel diameter | 65 mm | |
| Armrest height above seat | 200 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 user weight capacity | 150 kg | |
|---|---|---|
| Chair net weight | 18 kg | |
| 5-star base static load rating | 1000 kg | |
| Caster rolling durability | 300000 cycles | |
| Seat cushion foam density | 45 kg/m³ | |
| Backrest foam thickness | 80 mm | |
| Seat cushion foam thickness | 100 mm | |
| Standard structural warranty | 5 years | |
| 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 back upholstery | 1.2mm thick brown PU leather | |
|---|---|---|
| Internal support frame | 18mm thick bent plywood | |
| Armrest structure | 1.5mm thick polished chrome-plated steel cantilever loop | |
| 5-star base | 2mm thick polished chrome-plated steel | |
| Padding material | High-density polyurethane foam | |
| Gas lift cylinder | Chrome-plated steel Class 3 pneumatic lift | |
| Tilt mechanism | 3mm thick powder-coated steel plate | |
| Caster wheels | 65mm diameter non-marking soft PU tread | |
| Chrome surface finish | Mirror polished multi-layer nickel-chrome plating | |
| 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 |
Adjustment / rotation / tilt / mobility / storage features
| Height adjustment | 100mm pneumatic stroke via Class 3 gas lift, adjusted by side lever | |
|---|---|---|
| Swivel function | 360-degree full rotation around central gas lift column | |
| Tilt function | 15-degree backward seat-back synchronized tilt with tension adjustment | |
| Tilt lock | 1-position upright lock activated by under-seat lever | |
| Mobility | 5 dual-wheel casters enabling smooth omnidirectional movement on hard floors | |
| Arm support | Fixed height chrome cantilever armrests positioned for standard desk elbow support | |
| Lumbar support | Segmented horizontal padded back sections providing built-in mid-back support | |
| 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
| 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 private office | Suited for manager and executive workstations at standard 760 mm height desks | |
|---|---|---|
| Conference room seating | Appropriate for boardroom and meeting room use around standard conference tables | |
| Home office workspace | Suitable for dedicated home office setups requiring durable, professional seating | |
| Reception and guest areas | Usable for formal guest seating in corporate reception zones | |
| Height compatibility | Optimized for standard 760 mm desk heights with fixed armrests that fit under most desk aprons | |
| Floor compatibility | Soft PU casters suitable for hardwood, tile and low-pile carpeted floors | |
| 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 | Applicable for office chair dimensional, safety and strength requirements | |
|---|---|---|
| EN 1335-2:2018 | Applicable for office chair mechanical safety performance testing | |
| EN 1022:2018 | Applicable for domestic and contract seating stability testing |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applicable for general-purpose office chair safety and performance testing | |
|---|---|---|
| ANSI/BIFMA X5.4-2020 | Applicable for lounge and executive seating performance requirements |
Standards applicable to China-market projects
| GB/T 3326-2016 | Applicable for office chair dimensional accuracy and stability testing | |
|---|---|---|
| GB/T 10357.3-2013 | Applicable for office chair mechanical performance and durability testing | |
| GB 28007-2011 | Applicable for upholstered furniture formaldehyde emission limits |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applicable for office chair dimensional accuracy and stability testing; 2. GB/T 10357.3-2013: Applicable for office chair mechanical performance and durability testing; 3. GB 28007-2011: Applicable for upholstered furniture formaldehyde emission limits; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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