| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 660 x 820 x 1050 mm | |
|---|---|---|
| Seat height | 430 mm | |
| Seat width | 520 mm | |
| Seat depth | 500 mm | |
| Backrest height | 670 mm | |
| 4-star base diameter | 660 mm | |
| Support stem diameter | 50 mm | |
| Side panel thickness | 18 mm | |
| Seat edge lip height | 80 mm | |
| Floor clearance under base | 10 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
| Net weight | 18 kg | |
|---|---|---|
| Recommended static load capacity | 150 kg | |
| Seat foam density | 40 kg/m³ | |
| Seat foam thickness | 80 mm | |
| Backrest foam thickness | 50 mm | |
| Foam rebound rate | 55% | |
| Upholstery abrasion resistance | 50000 Martindale cycles | |
| Swivel rotation range | 360° | |
| Maximum static tilt angle | 12° | |
| Seam stitch pitch | 8 mm |
Core acceptance fields · Panels / hardware / frame / upholstery
| Upholstery surface | Orange matte faux leather (PU leather) | |
|---|---|---|
| Inner structural shell | 12mm thick bent plywood frame | |
| Side accent panel | Dark walnut wood veneer over bent plywood | |
| Central support stem | Polished chrome-plated cold-rolled steel | |
| 4-star base spokes | Polished chrome-plated 3mm thick steel | |
| Swivel bearing assembly | Steel thrust ball bearing | |
| Tilt return mechanism | Chromed steel torsion spring | |
| Floor glides | Injection-molded nylon pads | |
| Stitching thread | Bonded polyester upholstery thread | |
| Edge welt trim | Matching orange PU leather piping | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame |
Adjustment / rotation / tilt / mobility / storage features
| 360-degree swivel rotation | Full circular rotation around vertical central stem via enclosed thrust bearing, allows easy orientation adjustment without moving the chair base | |
|---|---|---|
| Gentle spring tilt movement | Up to 12° backward recline enabled by torsion spring in upper stem, automatically returns to neutral upright position when user stands, no manual lock required | |
| Fixed-height lounge seating | No gas lift height adjustment, fixed 430mm seat height optimized for relaxed reception and lounge use, no height shift during swivel or tilt | |
| Integrated lumbar support | Contoured seat-back junction provides built-in lower back support aligned to natural spine curve in reclined posture, no separate adjustable lumbar cushion | |
| Armless open access design | No protruding armrests, allows easy side entry and exit, tucks fully under low tables or reception counters as needed | |
| Non-marring floor protection | Nylon glides on each base spoke protect polished tile, wood or vinyl flooring from scuffs and scratches during swivel movement | |
| Stable four-point static support | Four flat metal spokes distribute user weight evenly across floor, prevents tipping during tilt or swivel movement for safe commercial use | |
| Backrest recline angle | 115° | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120 kg | |
| Height Adjustment Stroke | 100 mm continuous travel | |
| Rotation / Mobility Configuration | 360° swivel with 5-caster multidirectional movement |
Verified carton / gross weight / assembly / loading data
| Packaging configuration | Knock-down (KD) single carton assembly, separated into 1 upholstered seat/back shell, 1 central stem, 1 4-star base, hardware pack and assembly instructions | |
|---|---|---|
| Single carton dimensions | 850 x 720 x 750 mm | |
| Gross weight per carton | 22 kg | |
| Packaging volume per unit | 0.46 CBM | |
| Indicative 20GP container load quantity | 120 pcs | |
| Indicative 40HQ container load quantity | 290 pcs | |
| On-site assembly time | 25 minutes | |
| Inner packaging materials | 5mm thick corner foam protection, PE plastic wrap, corrugated edge protectors | |
| Reference Package Count | 1 set / 2 cartons | |
| Reference Assembly Time | 40 minutes per set |
Recommended spaces / users / usage modes
| Corporate office reception areas | Provides comfortable, stylish guest seating in lobbies and waiting zones, polished metal base complements modern office interior design | |
|---|---|---|
| Executive office lounge zones | Pairs with minimalist side tables for informal meetings or break space in private offices, high-back design supports relaxed upright posture during short conversations | |
| Hotel lobby and guest lounge areas | Coordinates with modern hospitality interiors, durable upholstery withstands frequent public use, swivel function offers flexible seating orientation around low coffee tables | |
| High-end residential living rooms and studies | Serves as a designer accent chair for modern home interiors, armless profile fits compact urban spaces without blocking sightlines | |
| Co-working and shared workspace common areas | Provides casual seating for break areas and informal collaboration zones, easy to rearrange due to swivel function and light overall weight | |
| Showroom and retail display spaces | Functions as a statement seating piece for contemporary furniture showrooms, design studios and premium retail waiting areas | |
| 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 13761:2002 Office furniture - Visitor chairs | Applies to stability, strength and durability requirements for non-adjustable swivel visitor and lounge seating | |
|---|---|---|
| EN 1022:2018 Domestic furniture - Seating - Determination of stability | Applies to static stability testing for armless swivel chairs to prevent forward, backward or side tipping |
US and Canada office-furniture standards
| ANSI/BIFMA X5.4-2020 Lounge and Public Seating | Applies to static load, impact, cyclic durability and stability testing for commercial lounge seating products | |
|---|---|---|
| ANSI/BIFMA X5.1-2017 General Purpose Office Chairs - applicable clauses for swivel mechanisms | Applies to swivel mechanism cycle durability and base strength performance for pedestal-based seating |
Standards applicable to China-market projects
| GB/T 3324-2017 General technical requirements for furniture | Applies to structural stability, dimensional tolerance and finish quality requirements for wooden and metal upholstered seating furniture | |
|---|---|---|
| GB 18584-2001 Limit of harmful substances in wooden furniture | Applies to formaldehyde emission limits for plywood/veneer structural components and adhesive materials in the chair shell | |
| GB/T 27717-2011 Upholstered furniture for public places | Applies to load capacity, upholstery durability and flame retardancy requirements for seating used in public reception, lounge and waiting areas |
This product must meet the following technical requirements: 1. GB/T 3324-2017 General technical requirements for furniture: Applies to structural stability, dimensional tolerance and finish quality requirements for wooden and metal upholstered seating furniture; 2. GB 18584-2001 Limit of harmful substances in wooden furniture: Applies to formaldehyde emission limits for plywood/veneer structural components and adhesive materials in the chair shell; 3. GB/T 27717-2011 Upholstered furniture for public places: Applies to load capacity, upholstery durability and flame retardancy requirements for seating used in public reception, lounge and waiting areas; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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