| Submitted | Field | Original | 修改后参数 | Note / Status |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (W x D x H) | 620 x 610 x 1070mm | |
|---|---|---|
| Seat width | 490 mm | |
| Seat depth | 470 mm | |
| Seat height (adjustable range) | 520mm | |
| Backrest height | 520 mm | |
| Backrest width | 460 mm | |
| Armrest height above seat | 220 mm | |
| Armrest width between insides | 480 mm | |
| Five-star base diameter | 640 mm | |
| Lumbar support zone height above seat | 180 mm | |
| Seat width (usable surface) | 495mm | |
| Seat depth (front edge to backrest contact) | 475mm | |
| Seat height adjustable range (floor to seat top) | 540mm | |
| Seat cushion thickness (uncompressed center) | 60mm | |
| Backrest height (seat top to backrest apex) | 510mm | |
| Backrest width (lumbar support zone) | 465mm |
Net weight / load capacity / users / durability
| Net weight | 16kg | |
|---|---|---|
| Maximum recommended static user load | 120 kg | |
| Seat foam density | 45kg/m³ | |
| Seat foam thickness (compressed at center) | 50 mm | |
| Mesh fabric abrasion resistance | ≥30,000 Martindale cycles | |
| Gas lift static load rating | ≥150 kg | |
| Caster rolling durability | ≥50,000 rolling cycles over hard floor | |
| Backrest tilt range | 115 degrees from horizontal | |
| Net chair weight | 15.5kg | |
| Seat foam density (cushion core) | 45kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest upholstery | Breathable grey polyester tension mesh | |
|---|---|---|
| Seat upholstery | Grey durable fabric or faux leather over foam padding | |
| Seat internal support | 12 mm thick molded plywood seat pan | |
| Back frame | Reinforced grey nylon outer frame supporting mesh tension | |
| Armrests | Injection-molded light grey fixed nylon armrests with integrated support frame | |
| Five-star base | Injection-molded light grey nylon, 4 mm average wall thickness | |
| Gas lift | Black/Chrome plated steel Class 3 gas lift, 50 mm outer diameter, 100 mm travel stroke | |
| Tilt mechanism | 2.5 mm thick pressed steel single-lock synchro tilt chassis | |
| Casters | Black nylon twin-wheel hard-floor casters, 50 mm diameter | |
| Seam construction | Reinforced stitched edge at seat perimeter, 8 mm stitch pitch | |
| Seat internal support pan | 12mm thick molded multi-ply plywood, E0 grade adhesive | |
| Backrest support frame | Reinforced light grey nylon outer frame, 3.8mm average wall thickness, curved lumbar contour |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | Pneumatic height adjustment via right-side lever, 100 mm total travel, locks at any height within range | |
|---|---|---|
| Backrest tilt function | Synchro tilt with weight tension adjustment via rear knob, locks in upright position via lift lever, tilt range up to 20 degrees recline | |
| Swivel function | 360 degree continuous swivel around central gas lift axis, no rotation lock | |
| Mobility | Free rolling on 5 dual-wheel casters, suitable for low-pile carpet and hard office floors | |
| Lumbar support | Built-in curved padded lumbar support zone integrated into lower backrest, no separate adjustable lumbar pad | |
| Armrest function | Fixed position T-armrests, no height, width, depth or pivot adjustment, provides static forearm support during typing | |
| Weight tension adjustment | Rotary tension knob under seat adjusts tilt resistance to match user weight between 120kg | |
| Tilt tension adjustment | Rotary tension knob under front of seat adjusts tilt resistance to match user weight 125kg, no preset position markers | |
| Mobility function | Free rolling on 5 dual-wheel casters, 360 degree caster swivel, suitable for vinyl, wood, tile and low-pile carpet office flooring | |
| Armrest support function | Fixed position T-armrests, no height, width, depth or pivot adjustment, provides static forearm support at 215mm above seat for standard typing posture | |
| Recline Angle / Lock Reference | 125° with 3 suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120kg |
Verified carton / gross weight / assembly / loading data
| Number of shipping cartons | 1 carton, knockdown assembly | |
|---|---|---|
| Shipping carton dimensions (L x W x H) | 680 x 630 x 420 mm | |
| Gross shipping weight | 18kg | |
| Shipping volume per unit (CBM) | 0.18 CBM | |
| Assembly time | 15minutes per unit | |
| 20ft GP container loading quantity | 210 units | |
| 40ft HQ container loading quantity | 520 units | |
| Shipping carton outer dimensions (L x W x H) | 670 x 620 x 410mm | |
| Gross shipping weight per unit | 17.5kg | |
| Shipping volume per unit | 0.17 CBM |
Recommended spaces / users / usage modes
| Open plan office workstations | Suitable for 8 hour daily desk work at standard 760mm height office desks, breathable mesh back for extended sitting comfort | |
|---|---|---|
| Home office workspaces | Compact 630mm wide footprint fits small residential desk setups, neutral light grey color matches modern Scandinavian and contemporary home office decor, minimal assembly required for residential use | |
| Meeting and conference rooms | Rolling swivel design allows easy movement around conference tables, fixed armrests stack neatly under standard conference tables | |
| Temporary staff and hot-desking stations | Durable construction supports multi-user rotation, easy to clean upholstery and simple adjustment controls for shared use | |
| Training room seating | Lightweight swivel design allows easy reconfiguration of training room layouts, standard height fits training desks between 760mm | |
| Hot-desking and flexible workstations | Durable upholstery and simple single-lever controls support multi-user rotation, easy to clean mesh and fabric surfaces require minimal maintenance between users, standardized height fits universal desk setups | |
| Training and classroom spaces | Lightweight swivel design allows quick reconfiguration of training room layouts, 125kg weight capacity supports diverse user groups, standard seat height fits 760mm height training desks | |
| Administrative and reception workstations | Quiet rolling casters reduce noise in reception areas, neutral aesthetic matches corporate reception furniture, lumbar support supports 6 hour daily reception desk use |
European market access and chemical requirements
| EN 1335-1:2020 | Applies to office work chair dimensional and safety requirements, specifies minimum and recommended dimensions for task chairs for seated office work | |
|---|---|---|
| EN 1335-2:2018 | Applies to office work chair strength, durability and stability test methods, specifies minimum cycle counts for tilt, swivel and caster durability | |
| EN 1335-3:2018 | Applies to office work chair test methods for structural verification of frames, mechanisms and upholstered components |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general-purpose office chairs, specifies minimum performance requirements for static load, cyclic durability, stability and armrest strength |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to furniture size measurement for office chairs, specifies standardized dimension testing methods for seat height, depth, backrest and clearance dimensions | |
|---|---|---|
| GB/T 10357.3-2013 | Applies to mechanical performance testing of office chairs, specifies static load, fatigue and stability test requirements for chair seats, backs and armrests | |
| GB 28007-2011 | Applies to general technical safety requirements for office chairs, specifies stability, edge, strength and safety requirements for commercial use | |
| GB 18584-2001 | Applies to formaldehyde emission limits for furniture wood-based panels and upholstery materials, specifies maximum 0.124mg/m³ emission for indoor furniture |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to furniture size measurement for office chairs, specifies standardized dimension testing methods for seat height, depth, backrest and clearance dimensions; 2. GB/T 10357.3-2013: Applies to mechanical performance testing of office chairs, specifies static load, fatigue and stability test requirements for chair seats, backs and armrests; 3. GB 28007-2011: Applies to general technical safety requirements for office chairs, specifies stability, edge, strength and safety requirements for commercial use; 4. GB 18584-2001: Applies to formaldehyde emission limits for furniture wood-based panels and upholstery materials, specifies maximum 0.124mg/m³ emission for indoor furniture; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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