| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
No corrections yet. Use the flag at the end of a row to report an issue. | ||||
Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (W×D×H) | 680 × 720 × 1029 mm | |
|---|---|---|
| Seat width | 452 mm | |
| Seat depth | 480 mm | |
| Seat back height (from seat surface) | 584 mm | |
| Adjustable seat height range (floor to seat top) | 311 mm to 406 mm | |
| 4-prong base diameter (tip to tip) | 660 mm | |
| Gas lift cylinder outer diameter | 50 mm | |
| Bent plywood shell thickness | 15 mm | |
| Exposed ply edge trim width | 8 mm | |
| Spider base leg thickness (top plate) | 8 mm | |
| Backrest top width | 520 mm | |
| Floor glide height | 5 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 maximum static user weight | 150 kg | |
|---|---|---|
| Chair net weight range | 17 kg to 25 kg | |
| Base static load rating | 1136 kg | |
| Swivel mechanism rotational durability | 120000 cycles | |
| Gas lift height adjustment durability | 120000 cycles | |
| Seat surface static load capacity | 136 kg | |
| Shell material structural deflection under load | 12 mm | |
| Surface finish scratch resistance | 3H pencil hardness | |
| 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 shell | Single-piece curved bent plywood with walnut wood grain veneer finish, exposed layered plywood edge trim | |
|---|---|---|
| Shell surface finish | Clear polyurethane lacquer topcoat over walnut veneer | |
| Height adjustment cylinder | Polished chrome-plated steel Class 3 pneumatic gas lift | |
| 4-prong spider base | Polished die-cast aluminum or chromed steel flat star base | |
| Floor contact points | Non-marking nylon or rubber glides fitted to each base leg tip | |
| Shell mounting plate | 2.5mm thick powder-coated steel connection plate between shell and gas lift | |
| Exposed edge trim | Natural light wood-toned sanded and sealed plywood edge | |
| Internal fasteners | Zinc-plated steel bolts and lock washers for assembly joints | |
| 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 | |
| Tilt Mechanism Plate Thickness | 2.5 mm cold-rolled steel |
Adjustment / rotation / tilt / mobility / storage features
| 360-degree swivel rotation | Smooth full-circle rotation around central vertical stem, no rotational lock position | |
|---|---|---|
| Pneumatic seat height adjustment | 95 mm vertical adjustment stroke via under-seat actuator, continuous height lock at any position within range | |
| Stationary floor placement | Fixed non-rolling design with four floor glides, no casters fitted to base | |
| Ergonomic seated support | Continuous curved shell contour providing angled seat pan and tall lumbar-to-upper-back support for relaxed upright or reclined lounge posture | |
| Knock-down assembly | Tool-included assembly requiring connection of base to gas lift and mounting of shell to top plate, no permanent factory welding of user-assembled joints | |
| Surface maintenance | Smooth sealed wood veneer surface that can be wiped clean with dry or lightly dampened cloth, no fabric/upholstery requiring specialized cleaning | |
| Floor protection | Soft glide tips prevent scratching and scuffing on hard tile, wood, or polished concrete flooring | |
| Weight-activated stability | Wide 4-prong base footprint prevents tipping during normal swivel and seated movement, meeting standard residential seating stability requirements | |
| 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
| Carton count | 1 unit per carton | |
|---|---|---|
| Packed carton dimensions (L×W×H) | 750 × 650 × 520 mm | |
| Gross weight per carton | 28 kg | |
| Carton volume | 0.254 cbm | |
| assembly time | 20 minutes | |
| 20ft GP container loading quantity | 108 units | |
| 40ft HQ container loading quantity | 264 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
| Office reception and waiting areas | Stationary swivel design supports easy guest turning during conversation, durable wood finish resists frequent use in light commercial entry spaces | |
|---|---|---|
| Home office casual seating zones | Height-adjustable function pairs with standing desks or lounge work setups, armless form fits compact home office footprints without blocking walkways | |
| Modern living room accent seating | Walnut veneer and polished chrome finish complements mid-century modern and contemporary residential interior schemes, high-back form provides relaxed seating for media or reading use | |
| Co-working and breakout spaces | 360-degree swivel supports flexible group interaction in informal collaboration zones, easy-to-clean hard shell reduces maintenance in high-traffic shared spaces | |
| Hotel lobby and executive lounge areas | Slim silhouette and premium finish align with upscale hospitality design standards, stable non-rolling base prevents unintended movement in high-end public spaces | |
| Design showroom and exhibition display | Distinctive bentwood form and exposed ply edge creates a sculptural focal point for furniture or interior design product displays | |
| 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 16139:2013 | Furniture - Strength, durability and safety - Non-domestic seating, applicable to structural load and stability testing for light commercial reception and lounge seating | |
|---|---|---|
| EN 1022:2018 | Furniture - Seating - Determination of stability, applicable to tipping resistance testing for swivel chairs without casters | |
| EN 12520:2015 | Furniture - Strength, durability and safety - Domestic seating, applicable to residential use performance requirements for home and home-office installation |
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 to dimensional tolerance, finish quality, and structural strength of the bent plywood shell | |
|---|---|---|
| GB/T 28007-2011 | General technical requirements for swivel chairs for children and adult use, applicable to safety, stability, and mechanism performance of height-adjustable swivel seating | |
| GB 18584-2001 | Indoor decorating and refurbishing materials - Limit of harmful substances of wood based furniture, applicable to formaldehyde emission limits for bent plywood and finish materials |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to dimensional tolerance, finish quality, and structural strength of the bent plywood shell; 2. GB/T 28007-2011: General technical requirements for swivel chairs for children and adult use, applicable to safety, stability, and mechanism performance of height-adjustable swivel seating; 3. GB 18584-2001: Indoor decorating and refurbishing materials - Limit of harmful substances of wood based furniture, applicable to formaldehyde emission limits for bent plywood and finish materials; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
Export data is generated from the current published product record.
Directly download an English report in metric or imperial units.
Download all product information and parameter modules in English.
English title, specifications, materials, standards and purchasing fields.
Prepare customs description, material, usage, dimensions and declaration elements.
Open Export Tool
