| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 620 x 600 x 1050 mm | |
|---|---|---|
| Seat width | 500 mm | |
| Seat depth | 480 mm | |
| Seat height range (floor to seat top) | 500 mm | |
| Backrest width | 480 mm | |
| Backrest height | 520 mm | |
| Armrest height (seat top to arm pad top) | 220 mm | |
| Chrome 5-star base diameter | 680 mm | |
| Caster diameter | 50 mm | |
| Armrest pad length | 260 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 user weight | 120 kg | |
|---|---|---|
| Net weight | 14 kg | |
| Seat foam density | 45 kg/m³ | |
| Backrest tilt lock angle range | 12° | |
| Gas lift stroke length | 100 mm | |
| Caster rolling durability | 100000 cycles | |
| Backrest maximum tilt angle | 12° | |
| Seam pitch | 6 mm | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest surface | Blue woven mesh fabric stretched over rigid plastic inner frame | |
|---|---|---|
| Seat cushion upholstery | Blue woven fabric over molded high-resilience polyurethane foam | |
| Armrest structure | White reinforced PP plastic frame with integrated flat arm pad surface | |
| Height adjustment mechanism | Black powder-coated steel chassis with Class 3 gas lift cylinder | |
| Support base | Chrome-plated steel 5-star leg structure with polished finish | |
| Casters | Black twin-wheel casters with nylon wheel bodies and steel axle pins | |
| Backrest frame border | Dark blue hard plastic trim holding mesh under tension | |
| Gas lift cylinder | Chrome-plated steel outer tube with nitrogen-filled internal piston | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame | |
| Tilt Mechanism Plate Thickness | 2.5 mm cold-rolled steel | |
| Five-star Base Material Thickness | Metal base wall 3.5 mm; diameter 700 mm |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | Pneumatic gas lift operated by left-side lever, providing vertical height change for different desk heights and user statures | |
|---|---|---|
| 360-degree swivel rotation | Full continuous rotation around central gas lift axis for multi-directional desk access without repositioning the base | |
| Backrest tilt with lock | Synchro-style tilt mechanism allowing backrest recline, lockable in upright position for focused work | |
| Fixed height armrests | Stationary T-shaped arm supports at fixed vertical position for forearm resting during typing | |
| Mobile rolling base | Five twin-wheel casters enable smooth movement across hard floors and low-pile office carpets | |
| Breathable back support | Tensioned mesh back provides passive lumbar and torso support with continuous air circulation to reduce heat buildup during long sitting sessions | |
| 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
| Packaging unit count | 1 carton per chair | |
|---|---|---|
| Carton dimensions | 650 x 520 x 320 mm | |
| Gross weight per carton | 16 kg | |
| Volume per carton | 0.108 CBM | |
| Assembly time per unit | 30 minutes | |
| 20ft container load quantity | 280 units | |
| Reference Package Count | 1 set / 2 cartons | |
| Reference Assembly Time | 40 minutes per set | |
| Reference Carton Dimensions | 850× 420× 720 mm | |
| Reference Packaged Gross Weight | 23 kg/set |
Recommended spaces / users / usage modes
| Open-plan office workstations | Suited for daily 8-hour desk work in shared office environments, with breathable mesh back for all-day comfort and compact footprint for dense workstation layouts | |
|---|---|---|
| Home office and remote work setups | Appropriate for residential home offices paired with standard 750 mm height desks, providing adjustable height and swivel mobility for flexible work routines | |
| Meeting room and conference seating | Suitable for conference room and huddle room seating around meeting tables, with 360-degree swivel for easy orientation toward presenters and collaborative discussions | |
| Staff training and seminar rooms | Ideal for training facilities and seminar spaces requiring movable, stack-compatible seating with durable construction for high-frequency shared use | |
| Small business and startup workspaces | Cost-effective seating solution for growing companies furnishing multiple workstations with consistent, ergonomically suitable seating at accessible price point | |
| 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
| Office furniture - Office chairs - Requirements for safety, strength and durability | EN 1335:2018 | |
|---|---|---|
| Ergonomics - Office work chair | EN 1728:2013 |
US and Canada office-furniture standards
| Office chairs - Tests for stability, strength and durability | ANSI/BIFMA X2017 | |
|---|---|---|
| Sustainability standard for seating furniture | ANSI/BIFMA e2020 |
Standards applicable to China-market projects
| General technical requirements for office furniture | GB/T 3326 | |
|---|---|---|
| Limits of harmful substances for wood-based furniture | GB 18584 |
This product must meet the following technical requirements: 1. General technical requirements for office furniture: GB/T 3326; 2. Limits of harmful substances for wood-based furniture: GB 18584; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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