| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 720 x 700 x 900 mm | |
|---|---|---|
| Seat height from floor | 450 mm | |
| Seat depth | 500 mm | |
| Seat width | 540 mm | |
| Backrest height | 500 mm | |
| Armrest height from seat | 200 mm | |
| 4-star base diameter | 680 mm | |
| Central support column diameter | 60 mm | |
| Armrest width | 80 mm | |
| Seat width between inner arms | 540 mm | |
| Backrest height from seat surface | 500 mm | |
| Armrest height above seat | 200 mm | |
| 4-star base maximum diameter | 680 mm | |
| Armrest top surface width | 80 mm | |
| Seat cushion thickness at center | 50 mm | |
| Backrest cushion thickness | 40 mm |
Net weight / load capacity / users / durability
| Recommended static load capacity | 150 kg | |
|---|---|---|
| Chair net weight | 22 kg | |
| Seat foam density | 45 kg/m³ | |
| Backrest foam density | 35 kg/m³ | |
| Seam stitch tensile strength | 120 N | |
| Swivel mechanism cycle life | 30000 rotation cycles | |
| Base static load rating | 500 kg | |
| Recommended maximum user weight capacity | 150 kg | |
| Seat polyurethane foam density | 45 kg/m³ | |
| Backrest polyurethane foam density | 35 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and backrest upholstery | 1.2mm thick tan PU leather with matte finish | |
|---|---|---|
| Seat cushion core | 50mm thick high-resilience polyurethane foam | |
| Backrest cushion core | 40mm thick high-resilience polyurethane foam | |
| Left side accent panel | Molded dark walnut-wood veneer finished bent panel | |
| Swivel base and column | Polished die-cast aluminum with mirror chrome finish | |
| Swivel mechanism | Steel plate self-return swivel mechanism | |
| Armrest construction | Integrally padded with same PU upholstery as seat/back, supported by rigid internal shell | |
| Stitching detail | Matching tan color polyester thread with 8mm stitch pitch | |
| Internal seat shell | 12mm thick molded plywood structural frame | |
| Outer side accent panel | Molded dark walnut veneer finished bent plywood panel | |
| Swivel base and support column | Polished die-cast aluminum with mirror chrome finish | |
| Swivel rotation mechanism | 3mm thick steel plate self-return swivel mechanism |
Adjustment / rotation / tilt / mobility / storage features
| 360-degree swivel rotation | Smooth rotation around central aluminum column, fitted with self-return mechanism that resets chair to forward-facing position when unoccupied | |
|---|---|---|
| Fixed ergonomic posture support | Contoured seat and angled wingback backrest aligned for 110° upright-relaxed sitting posture, suitable for visitor meetings or lounge waiting | |
| Integrated arm support | Full-length padded armrests contoured to support forearms during seated conversation or laptop use, no height adjustment | |
| Glide floor protection | Hard polymer floor glides fitted at end of each base leg, suitable for hard wood, tile, and low-pile carpet floors without scratching | |
| Stability under lateral load | 4-star symmetric base geometry prevents tipping when user leans to side or when entering/exiting the chair, meets commercial furniture lateral stability requirements | |
| Low-maintenance upholstery | Smooth PU leather surface resists liquid spills and surface stains, can be cleaned with mild detergent and soft cloth without discoloration | |
| Scratch-resistant floor protection | Hard polymer felt-backed glides fitted at the end of each base leg, suitable for use on hardwood, tile, polished concrete, and low-pile carpet floors without surface damage | |
| Lateral load stability | Symmetric 4-star base geometry prevents tipping when users lean 15° to either side or when entering/exiting the chair, meeting commercial furniture lateral stability requirements | |
| Stain-resistant low-maintenance surface | Smooth PU leather upholstery resists liquid spills and surface stains, can be cleaned with mild detergent and a soft cloth without discoloration or finish damage | |
| Noise-dampened rotation | Nylon bushing in swivel mechanism eliminates metal-on-metal contact, producing less than 30dB of noise during full rotation to avoid disruption in quiet meeting spaces | |
| 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 | 1 | |
|---|---|---|
| Shipping carton dimensions | 780 x 760 x 660 mm | |
| Gross shipping weight | 26 kg | |
| Shipping volume per unit | 0.39 CBM | |
| Required assembly time | 15 minutes | |
| 20ft GP container loading capacity | 84 units | |
| 40ft HQ container loading capacity | 200 units | |
| Packaging protection | Double-wall corrugated carton with high-density EPS foam edge protectors, plastic dust bag for upholstered surfaces | |
| Required on-site assembly time | 15 minutes | |
| Reference Package Count | 1 set / 2 cartons |
Recommended spaces / users / usage modes
| Executive office visitor seating | Positioned in front of executive desks for guest seating during formal meetings, with professional appearance matching executive desk aesthetics | |
|---|---|---|
| Corporate lounge and waiting areas | Arranged in pairs or small clusters in office reception zones, breakout spaces, or executive lounges for comfortable short-to-medium duration seating | |
| High-end residential study and home office | Used as guest seating adjacent to home work desks or in open-plan living lounge zones, with a contemporary streamlined silhouette that matches modern residential interior design | |
| Hotel lobby and meeting room seating | Deployed in hotel business centers, VIP lounges, or small meeting rooms for guest seating, with durable upholstery suitable for high-traffic commercial use | |
| Recommended configuration | Pair with small round side tables (450mm diameter, 550mm height) to create coordinated lounge seating sets, suitable for placement 300mm from walls to allow unobstructed swivel movement | |
| Corporate reception and lounge waiting areas | Arranged in small clusters in office reception zones, breakout spaces, or executive lounges for short-to-medium duration guest seating | |
| Hotel business center and VIP meeting room seating | Deployed in hotel business lounges, VIP reception areas, or small boardrooms for guest seating, with stain-resistant upholstery that simplifies housekeeping between visitors | |
| Recommended companion configuration | Paired with 450mm diameter round side tables at 550mm height to create coordinated lounge seating sets, positioned with 300mm clearance from adjacent walls or furniture to allow unobstructed 360-degree swivel movement |
EU Market Access Requirements* EN Standards
| EN 1335-2 | 2018 Office furniture - Office work chairs - Safety requirements: Recommended standard for structural safety and component strength verification for office visitor seating | |
|---|---|---|
| EN 1022 | 2019 Furniture - Seating - Determination of stability: Recommended test standard to verify tip resistance of the stationary swivel base under normal use conditions |
US and Canada office-furniture standards
| North America procurement and testing reference | ANSI/BIFMA X5.4 Public and Lounge Seating |
|---|
Standards applicable to China-market projects
| GB/T 3324-2017 General technical requirements for wooden furniture | Applicable for acceptance of bentwood side panel structural integrity, finish adhesion, and edge treatment quality | |
|---|---|---|
| GB/T 16799-2008 Polyurethane leather for furniture | Applicable for verification of upholstery abrasion resistance, color fastness, and tear strength before acceptance | |
| GB/T 10357.2-2013 Test of mechanical properties of furniture | Stability of chairs and stools: Applicable for on-site stability testing of the 4-star base under lateral and forward/backward load |
This product must meet the following technical requirements: 1. GB/T 3324-2017 General technical requirements for wooden furniture: Applicable for acceptance of bentwood side panel structural integrity, finish adhesion, and edge treatment quality; 2. GB/T 16799-2008 Polyurethane leather for furniture: Applicable for verification of upholstery abrasion resistance, color fastness, and tear strength before acceptance; 3. GB/T 10357.2-2013 Test of mechanical properties of furniture: Stability of chairs and stools: Applicable for on-site stability testing of the 4-star base under lateral and forward/backward load; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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