| 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 x D x H) | 660 x 680 x 1260mm | |
|---|---|---|
| Seat height (floor to seat top) | 540mm | |
| Seat surface dimensions (W x D) | 500 x 490 mm | |
| Backrest total height (seat top to back top) | 630 mm | |
| Headrest dimensions (W x H) | 330 x 180 mm | |
| Armrest height (seat top to armrest pad top) | 270mm | |
| Five-star base radius (center to caster center) | 320 mm | |
| Caster diameter | 60 mm | |
| Lumbar support protrusion | 40 mm | |
| Upper backrest dimensions (W x H) | 480 x 380mm | |
| Lower backrest dimensions (W x H) | 460 x 220mm | |
| Backrest total height (seat top to headrest top) | 740mm | |
| Armrest pad dimensions (W x D) | 90 x 250mm | |
| Five-star base diameter (caster tip to caster tip) | 650mm | |
| Lumbar support protrusion from back frame | 45mm | |
| Finished Seat Cushion Thickness | 90mm |
Net weight / load capacity / users / durability
| Net weight range | 21kg | |
|---|---|---|
| Recommended maximum user weight | 136 kg | |
| Seat foam static load capacity | 150 kg | |
| Gas lift durability cycles | 120000 up/down cycles | |
| Caster rolling durability | ≥100000 rolling cycles | |
| Backrest tilt lock angle range | 120 degrees from vertical | |
| Recommended maximum static user weight | 136kg | |
| Gas lift durability rating | ≥120000 up/down cycles | |
| Tilt mechanism cycle durability | ≥80000 tilt cycles | |
| Seat Foam Density / Rebound Reference | 45kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest and headrest mesh | Breathable polyester woven mesh, black | |
|---|---|---|
| Seat cushion | 50mm thick high-density molded polyurethane foam, black fabric or PU upholstery | |
| Back frame, armrest supports and base | Reinforced injection-molded nylon, matte black finish | |
| Armrest pads | Soft PU padded surface, 20mm thick | |
| Gas lift cylinder | Chrome-plated steel, Class 3 pressure rating, 50mm outer diameter, 100mm stroke | |
| Tilt mechanism chassis | 2.5mm thick stamped steel, black powder-coated finish | |
| Casters | 60mm diameter twin-wheel PU casters, black, brake-free universal type | |
| Integrated lumbar pad | Injection-molded PP with padded mesh overlay, black | |
| Backrest and headrest upholstery | Breathable woven polyester mesh, matte black, 1.2mm mesh strand thickness | |
| Seat cushion core | 50mm thick high-density molded polyurethane foam, 45kg/m³ density, 45% rebound rate | |
| Seat upholstery | Woven black polyester fabric, 0.8mm thickness, ≥30000 cycle Martindale abrasion rating | |
| Structural frame (back supports, armrest uprights, seat pan) | Reinforced injection-molded nylon PA6, matte black finish, 3mm wall thickness |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | 100mm vertical travel via right-side pneumatic adjustment lever, locks at any position within range | |
|---|---|---|
| Headrest adjustment | 45 degree tilt angle adjustment + 50mm height adjustment via friction lock joint, supports custom neck position | |
| Armrest adjustment | 60mm vertical height adjustment, 3 lock positions to match desk height and elbow support needs | |
| Backrest tilt function | Synchro-tilt mechanism with 1:1.6 seat-to-back tilt ratio, locks in upright position and 3 intermediate recline positions via seat-side lever | |
| Tilt tension adjustment | Rotary tension knob under front of seat adjusts recline resistance to match user weight (120kg user range) | |
| 360 degree swivel function | Full 360 degree horizontal rotation via swivel joint between seat and gas lift, no rotation lock | |
| Rolling mobility | Smooth rolling on hard floors and low-pile carpet via 5 universal twin-wheel casters, no caster brakes visible | |
| Lumbar support | Fixed convex lumbar pad positioned at L3-L4 spinal curve, provides consistent lower back support without separate adjustment | |
| 360° swivel function | Full unrestricted 360° horizontal rotation via precision ball bearing swivel joint between seat pan and gas lift, no rotation lock | |
| Mobility function | Unobstructed rolling on hard flooring (wood, tile) and low-pile (≤6mm pile height) carpet via 5 universal twin-wheel PU casters, no visible caster brake mechanisms | |
| Lumbar support function | Fixed convex dual-zone lumbar pad positioned to align with L3-L4 vertebrae, 45mm protrusion provides consistent lower back pressure without independent height/depth adjustment | |
| Recline Angle / Lock Reference | 125° with 3 suggested lock positions |
Verified carton / gross weight / assembly / loading data
| Packaging method | Knock-down (KD) flat pack, components wrapped in PE foam and polybag for scratch protection, corrugated outer carton | |
|---|---|---|
| Number of packages | 1 carton per chair | |
| Reference carton dimensions (L x W x H) | 830 x 650 x 360 mm | |
| Reference gross weight per unit | 24kg | |
| Reference carton CBM per unit | 0.194 CBM | |
| Indicative container loading quantity | 280 units per 40HQ container, 130 units per 20GP container | |
| assembly time | 25minutes per unit, requires only included Allen key, no additional special tools | |
| Reference Package Count | 1 set / 2 cartons | |
| Reference Assembly Time | 40minutes per set | |
| Reference Carton Dimensions | 850 × 420 × 720mm |
Recommended spaces / users / usage modes
| Office open workstations | Suitable for 8 hour daily desk work, breathable mesh back reduces heat buildup for extended seated use | |
|---|---|---|
| Home office study spaces | Compact 680mm width fits small home work areas, black matte finish matches most home decor schemes, PU casters do not scratch wood or tile residential flooring | |
| Meeting and conference rooms | Professional black appearance suitable for meeting spaces, swivel and tilt functions support comfortable posture during long meetings | |
| Shared hot-desking environments | Durable mesh and nylon construction withstands frequent user adjustment and shared use, easy to clean surfaces for high-traffic areas | |
| Call center workstations | Adjustable seat height, armrests and lumbar support reduce fatigue for prolonged seated shifts, silent casters minimize workspace noise | |
| Open-plan office workstations | Suitable for 8-hour daily seated desk work, breathable mesh back reduces heat buildup during extended use, 100mm height adjustment fits 760mm standard office desk heights | |
| Call center and shift-work workstations | Adjustable seat height, armrests and lumbar support reduce musculoskeletal fatigue during 8+ hour seated shifts, smooth PU casters operate silently to minimize workspace noise | |
| Training room seating | Rolling casters allow easy reconfiguration of seating layouts for training sessions, stackable KD packaging simplifies bulk storage for facilities teams |
EU Market Access Requirements* EN Standards
| EN 1335-1:2020 | Applicable office chair standard: dimensional, safety and strength requirements for office work chairs | |
|---|---|---|
| EN 1335-2:2018 | Applicable office chair standard: stability, static load and durability test requirements for seated use | |
| EN 1022:2018 | Applicable domestic and contract furniture standard: chair stability test requirements for forward, rearward and side loading |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applicable standard for office chairs: general purpose office chair strength, durability and stability test requirements, including backrest load, caster durability and base static load |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | Applicable standard for office furniture: chair dimensions, minimum and adjustment range for seat height, seat depth, backrest height must comply with standard adult office chair requirements | |
|---|---|---|
| GB/T 3324-2017 | Applicable general technical standard for metal and plastic furniture: surface finish quality, structural stability, edge safety requirements | |
| GB 18584-2001 | Applicable indoor decoration material standard: formaldehyde emission and heavy metal content limits for furniture upholstery and plastic components |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applicable standard for office furniture: chair dimensions, minimum and adjustment range for seat height, seat depth, backrest height must comply with standard adult office chair requirements; 2. GB/T 3324-2017: Applicable general technical standard for metal and plastic furniture: surface finish quality, structural stability, edge safety requirements; 3. GB 18584-2001: Applicable indoor decoration material standard: formaldehyde emission and heavy metal content limits for furniture upholstery and plastic components; 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
