| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 510 x 580 x 920 mm | |
|---|---|---|
| Seat height adjustment range | 520 mm | |
| Seat width | 480 mm | |
| Seat depth | 440 mm | |
| Backrest height | 430 mm | |
| Backrest width | 460 mm | |
| 4-star base span diameter | 620 mm | |
| Gas lift column diameter | 50 mm | |
| Cushion thickness at front edge | 60 mm | |
| Minimum seat-to-floor height | 420 mm | |
| Base foot height from floor | 25 mm | |
| Foot pad diameter | 20 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
| Product net weight | 13 kg | |
|---|---|---|
| Maximum static user weight capacity | 120 kg | |
| Gas lift cycle life | 50000 cycles | |
| Seat cushion foam density | 45 kg/m³ | |
| Seat cushion foam rebound rate | 45% | |
| Upholstery abrasion resistance | 50000 Martindale cycles | |
| Recommended daily use duration | 8 hours | |
| Available upholstery color options | 4 | |
| Recommended warranty period | 3 years | |
| Base static load capacity | 500 kg |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back shell | 8mm thick bent laminated plywood with polished wood grain side finish | |
|---|---|---|
| Seat and back upholstery | 1.2mm thick PU faux leather with stitched edge trim | |
| Cushion filling | High resilience cold-cured polyurethane foam | |
| Gas lift column | Chrome-plated steel class 3 gas lift | |
| Base structure | Polished die-cast aluminum 4-star swivel base | |
| Height adjustment lever | Black reinforced nylon paddle lever | |
| Base foot pads | Anti-slip TPE rubber glide pads | |
| Seat support plate | 2.5mm thick powder-coated steel connection plate | |
| Seat connection plate | 2.5 mm thick powder-coated steel mounting plate | |
| Swivel bearing | Zinc-plated steel ball bearing swivel joint | |
| Backrest side trim | Matched bent plywood side panels with polished finish matching outer shell | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | Pneumatic gas lift controlled by right-side under-seat lever, 100mm vertical travel to match desk heights from 700mm to 760mm | |
|---|---|---|
| 360-degree swivel rotation | Full rotation around central gas lift axis to enable easy multi-directional access without moving the base | |
| Fixed non-tilting backrest | Backrest rigidly mounted to seat shell to maintain upright supportive posture with no recline function | |
| Stationary glide base | Fixed 4-star base with rubber glides for hard flooring, no casters, suited for conference and guest seating where rolling is not required | |
| Armless design | No armrests to allow tucking fully under standard desks and tables to save space when not in use | |
| Contoured ergonomic seat pan | Waterfall front seat edge to reduce pressure on the back of thighs during extended sitting | |
| Lateral torso back support | Curved raised bentwood side edges on backrest provide 15 degrees of lateral torso support for upright meeting and work posture | |
| Fixed upright backrest | Backrest rigidly mounted to the single bentwood seat shell to maintain upright supportive posture with 0 degree recline or tilt function | |
| Armless space-saving design | No protruding armrests to allow tucking fully under 720 mm high standard desks and conference tables to save space when not in use | |
| Contoured waterfall seat pan | Rounded contoured front seat edge to reduce 20% pressure on the posterior thighs during 8-hour extended sitting | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120 kg |
Verified carton / gross weight / assembly / loading data
| Number of shipping cartons per unit | 1 | |
|---|---|---|
| Shipping carton dimensions | 620 x 550 x 420 mm | |
| Gross shipping weight per unit | 15 kg | |
| Shipping volume per unit | 0.14 CBM | |
| Required assembly time | 15 minutes | |
| 20ft GP container loading quantity | 210 units | |
| 40ft HQ container loading quantity | 510 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
| Conference room seating | Armless streamlined design allows chairs to tuck fully under conference tables for clean uncluttered meeting spaces, multiple color options match modern office interiors | |
|---|---|---|
| Guest and reception seating | Polished bentwood and leather-like finish creates professional welcoming appearance for visitor areas and reception desks | |
| Home office task seating | Compact footprint fits small home workspaces, height adjustment matches standard home desk heights for daily work use | |
| Training room seating | Lightweight swivel design enables easy movement between training stations, fixed glides prevent unwanted rolling on hard training room floors | |
| Executive side chair placement | Matches executive desk finishes with walnut and leather look options for placement in front of executive desks for visitor seating | |
| Co-working space seating | Durable upholstery and commercial-grade structure withstands high-traffic shared work environments, multiple color options coordinate with flexible co-working designs | |
| Executive visitor side chair | Walnut shell finish matches solid wood executive desk veneers for placement in front of executive desks for visitor seating | |
| Co-working shared space seating | 50000 Martindale abrasion-rated upholstery and commercial-grade structure withstands high-traffic shared work environments, multiple color options coordinate with flexible co-working interior designs |
EU Market Access Requirements* EN Standards
| BS EN 1335-1 | 2020 Office furniture - Office work chair - Part 1: Dimensions - Determination of dimensions | |
|---|---|---|
| BS EN 1335-2 | 2018 Office furniture - Office work chair - Part 2: Safety requirements | |
| BS EN 1335-3 | 2009 Office furniture - Office work chair - Part 3: Test methods |
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
| GB 28007-2011 General technical requirements for children's furniture? No replace | GB/T 10357.3Test of mechanical properties of furniture - Strength and durability of chairs and stools |
|---|
This product must meet the following technical requirements: 1. GB 28007-2011 General technical requirements for children's furniture? No replace: GB/T 10357.3Test of mechanical properties of furniture - Strength and durability of chairs and stools; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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