| Submitted | Field | Original | 修改后参数 | Note / Status |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimension (W x D x adjustable H) | 650 x 560 x 1080mm | |
|---|---|---|
| Backrest width | 450 mm | |
| Backrest height | 610 mm | |
| Total armrest span | 730 mm | |
| Seat effective depth (usable seating surface) | 520 mm | |
| Total seat depth (front edge to seat rear) | 560 mm | |
| Seat width at front edge | 650 mm | |
| Seat height adjustment range | 470mm | |
| 5-star base diameter | 640 mm | |
| Caster diameter | 60 mm | |
| Armrest height above seat surface | 210 mm | |
| Seat cushion thickness at front edge | 85 mm | |
| Backrest foam thickness at lumbar zone | 65 mm | |
| Finished Seat Cushion Thickness | 90mm | |
| Backrest Padding Thickness | 70mm | |
| Lumbar Support Zone Height | 240mm |
Net weight / load capacity / users / durability
| Recommended user weight capacity | 120 kg | |
|---|---|---|
| Chair net weight range | 20kg | |
| Gas lift height adjustment stroke | 30 mm | |
| Seat foam density (cushion) | 50kg/m³ | |
| Backrest foam density | 40kg/m³ | |
| Foam rebound rate | ≥45% | |
| Seat static load rating | ≥8000 N | |
| Base static load rating | ≥11000 N | |
| Caster rolling durability | ≥100000 cycles | |
| Seam stitch pitch | 3.5 stitches per cm |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and backrest upholstery | 1.1mm thick microfiber PU leather | |
|---|---|---|
| Seat cushion core | High-resilience molded polyurethane foam | |
| Backrest core | Shaped high-resilience polyurethane foam | |
| Armrest top pads | Upholstered with same PU leather as seat, inlaid with 15mm wide polished chrome trim | |
| Armrest support structure | Curved polished die-cast aluminum with dark brushed accent side panel | |
| Internal seat and back frame | 2mm thick bent plywood with 1.2mm steel reinforcement plate | |
| Height adjustment gas lift | Class 3 chrome-plated steel gas lift, 50mm outer diameter | |
| Swivel tilt mechanism | 3mm thick black powder-coated steel tilt chassis, with tension adjustment knob | |
| 5-star base | Polished die-cast aluminum, 3mm wall thickness at leg ends | |
| Casters | 60mm diameter dual-wheel PU casters with black housing and silver chrome accent ring | |
| Armrest side decorative trim | Brushed dark carbon-fiber effect ABS accent panel | |
| Internal seat and back load frame | 12mm thick bent plywood core with 1.2mm thick steel reinforcement plates at mechanism and armrest mounting points |
Adjustment / rotation / tilt / mobility / storage features
| Height adjustment | 30mm vertical seat height adjustment via right-hand side lever, 470mm floor-to-seat range, locks at desired position | |
|---|---|---|
| Tilt function | Synchro tilt with 12° maximum backward recline, adjustable tilt tension via rotary knob under seat, infinite position lock | |
| Swivel function | 360° unlimited horizontal rotation around gas lift axis, no rotational stops | |
| Mobility | Smooth rolling on all five dual-wheel casters, suitable for hard wood, tile and low-pile carpet floors | |
| Fixed armrest support | Rigid padded armrests positioned at 210mm above seat surface, stable support for forearm rest during typing | |
| Lumbar support | Built-in contoured lumbar zone integrated into backrest foam, matching natural lower back curve | |
| Safety anti-explosion feature | Gas lift fitted with steel safety anti-burst plate to prevent accidental cylinder failure | |
| Seat edge design | Contoured waterfall front seat edge to reduce pressure on back of thighs during extended sitting | |
| 360° swivel rotation | Unlimited 360° horizontal rotation around the gas lift central axis, no rotational stops, smooth bearing operation | |
| Floor mobility | Five dual-wheel casters providing smooth omnidirectional rolling, suitable for hardwood, tile, laminate and low-pile carpet (≤6mm pile) floors, no floor marking under 120kg load | |
| Integrated lumbar support | Built-in contoured lumbar zone formed directly into the backrest foam shape, aligned with the natural lumbar curve at 220mm above seat surface, no separate adjustable lumbar mechanism | |
| Anti-burst gas lift safety | Class 3 gas lift fitted with a 2mm thick steel anti-burst plate between the cylinder and seat chassis to prevent accidental cylinder failure in case of seal damage |
Verified carton / gross weight / assembly / loading data
| Number of shipping packages | 1 corrugated carton | |
|---|---|---|
| Reference shipping carton dimensions | 720 x 620 x 580 mm | |
| Reference gross shipping weight | 23kg | |
| Reference shipping volume (CBM) | 0.26 CBM | |
| 20ft GP container loading quantity | 120 units | |
| 40ft HQ container loading quantity | 280 units | |
| Estimated assembly time | 20minutes per unit | |
| Reference Package Count | 1 set / 2 cartons | |
| Reference Assembly Time | 40minutes per set | |
| Reference Carton Dimensions | 850 × 420 × 720mm |
Recommended spaces / users / usage modes
| Executive office spaces | Suitable for private manager offices and executive workstations, polished aluminum trim and neutral beige finish match professional formal office decor | |
|---|---|---|
| Conference and meeting rooms | Appropriate for boardroom and meeting room seating, 360° swivel and height adjustment accommodate users of different sizes around conference tables | |
| Home office premium workspaces | Suitable for high-end home offices, padded upholstery and contoured seat support 8 hours of daily seated work | |
| Client reception areas | Can be used in visitor and reception zones, fixed armrests and tailored appearance provide polished, professional guest seating | |
| Recommended table height pairing | Pairs with standard 760mm height office desks, adjustable seat height aligns with standard desk work surface height for ergonomic typing posture | |
| Recommended user height range | Suitable for users 185cm tall, seat depth and mid-back height provide appropriate support across this user height range | |
| Private executive/manager offices | Suitable for enclosed manager and director offices, polished aluminum trim and neutral beige finish match formal professional office decor, designed for 8+ hours of daily seated work | |
| Boardroom and conference rooms | Appropriate for formal boardroom and meeting room seating, 360° swivel and height adjustment accommodate users 185cm tall around standard 760mm height conference tables |
European market access and chemical requirements
| EN 1335-2:2018 (Office furniture - Office work chair - Part 2: Safety requirements) | Applicable European standard for office chair safety, stability and structural strength, suitable for EU market procurement | |
|---|---|---|
| EN 1335-3:2018 (Office furniture - Office work chair - Part 3: Test methods) | Applicable test method standard for verifying structural performance of office chairs for commercial use |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 (General Purpose Office Chairs) | Applicable North American standard for office chair durability, static load and impact testing, recommended for commercial project acceptance | |
|---|---|---|
| Recommended maximum user weight capacity | 120 kg |
Standards applicable to China-market projects
| GB/T 16799-2008 (Furniture use leather and artificial leather) | Applicable standard for artificial leather upholstery performance, including abrasion resistance, color fastness and peel strength | |
|---|---|---|
| GB/T 3326-2016 (Furniture - Main dimensions of chairs and stools for office) | Applicable Chinese standard defining office chair dimensional requirements for ergonomic fit, recommended for verifying seat height, depth and backrest dimensions | |
| GB/T 10357.3-2013 (Test of mechanical properties of furniture - Strength and durability of chairs and stools) | Applicable Chinese test standard for chair static load, impact and fatigue durability testing, recommended for quality inspection during procurement acceptance |
This product must meet the following technical requirements: 1. GB/T 16799-2008 (Furniture use leather and artificial leather): Applicable standard for artificial leather upholstery performance, including abrasion resistance, color fastness and peel strength; 2. GB/T 3326-2016 (Furniture - Main dimensions of chairs and stools for office): Applicable Chinese standard defining office chair dimensional requirements for ergonomic fit, recommended for verifying seat height, depth and backrest dimensions; 3. GB/T 10357.3-2013 (Test of mechanical properties of furniture - Strength and durability of chairs and stools): Applicable Chinese test standard for chair static load, impact and fatigue durability testing, recommended for quality inspection during procurement acceptance; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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