| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall upright dimensions | 860 x 770 x 1285 mm | |
|---|---|---|
| Adjustable seat height range | 620 mm | |
| Seat cushion dimensions | 625 x 515 x 140 mm | |
| Backrest dimensions | 745 x 720 mm | |
| Extended footrest length | 420 mm | |
| Five-star base diameter | 700 mm | |
| Fixed padded armrest width | 190 mm | |
| Caster wheel diameter | 50 mm | |
| Seated knee clearance height | 150 mm | |
| Woodgrain arm panel dimensions | 320 x 180 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 | 227 kg | |
|---|---|---|
| Five-star base static load rating | 200 kg | |
| Seat foam density | 50 kg/m³ | |
| Backrest foam density | 35 kg/m³ | |
| Foam rebound rate | 45% | |
| Upholstery abrasion resistance | 50000 Martindale cycles | |
| Gas lift lift capacity rating | 150 kg | |
| Seam stitch pitch | 8 stitches per 30 mm | |
| 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 | 1.2 mm thick light taupe PU or top-grain leather | |
|---|---|---|
| Seat and back padding | High-density cold-cure polyurethane foam with layered support | |
| Internal support frame | 1.5 mm thick reinforced welded steel tube frame | |
| Internal structural backing | 20 mm thick plywood board for arm and back support | |
| Armrest structure | Padded upholstered top with dark walnut woodgrain veneer side panels | |
| Five-star base | 1.8 mm thick chrome-plated polished carbon steel | |
| Caster wheels | 50 mm diameter black polyurethane dual-wheel casters with metal mounting stems | |
| Recline control hardware | Chrome-finish steel adjustment lever with plastic insert | |
| Retractable footrest | Upholstered padded top with chrome-plated steel support rails | |
| 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
| 360-degree swivel rotation | Full rotational movement enabled by central gas lift and base | |
|---|---|---|
| Pneumatic seat height adjustment | 170 mm vertical travel via Class 4 gas lift activated by under-seat lever | |
| Backrest recline function | 155-degree maximum recline angle with infinite position lock | |
| Recline tension adjustment | User-adjustable spring tension to match user body weight | |
| Retractable under-seat footrest | 420 mm full extension, slides out for reclined leg support | |
| Fixed padded armrests | Stationary wide arm supports positioned to align with desk height | |
| Smooth rolling mobility | Dual-wheel casters suitable for hard flooring and low-pile carpet | |
| Integrated head support | Contoured high-back headrest integrated into backrest for neck support | |
| Reclined overall depth (footrest extended) | 1190 mm | |
| 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 use | Designed for manager/executive workstations where premium comfort and style are required | |
|---|---|---|
| Home office dedicated workspace | Suitable for residential office setups requiring long-sitting comfort and recline function | |
| Conference room VIP seating | Appropriate for head-of-table conference seating for senior personnel | |
| Executive lounge/breakout area | Usable in executive lounge zones for short rests during work breaks | |
| Adjustable standing desk companion | Pairs with height-adjustable desks for both upright work and reclined rest breaks | |
| Recommended user height range | Suitable for users 190 cm tall based on seat depth and backrest height | |
| 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 | Office furniture - Office work chairs: dimensional safety requirements | |
|---|---|---|
| EN 1335-2:2018 | Office work chairs: strength, durability and stability performance requirements | |
| EN 1022:2018 | Domestic and contract seating stability test method for verification |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Office chair general purpose test standard for commercial use | |
|---|---|---|
| ANSI/BIFMA X5.11-2015 | Big and tall office chair performance requirement for 227 kg load capacity |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to woodgrain arm panel components | |
|---|---|---|
| GB/T 35607-2017 | Green product assessment for furniture, applicable for low-VOC material acceptance | |
| GB 28007-2011 | Strength and durability requirements for office chairs, applicable for structural performance testing |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to woodgrain arm panel components; 2. GB/T 35607-2017: Green product assessment for furniture, applicable for low-VOC material acceptance; 3. GB 28007-2011: Strength and durability requirements for office chairs, applicable for structural performance testing; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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