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|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 730 x 720 x 1280 mm | |
|---|---|---|
| Seat width | 520 mm | |
| Seat depth | 533 mm | |
| Seat height adjustment range | 540 mm | |
| Backrest height | 700 mm | |
| Armrest height from floor | 730 mm | |
| Five-star base diameter | 686 mm | |
| Caster wheel diameter | 60 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
| Product net weight | 28 kg | |
|---|---|---|
| Recommended user weight capacity | 159 kg | |
| Seat cushion foam density | 45 kg/m³ | |
| Seat cushion foam thickness | 80 mm | |
| Backrest foam thickness | 60 mm | |
| Five-star base static load rating | 1134 kg | |
| Caster rolling durability | 40000 cycles | |
| Backrest foam density | 38 kg/m³ | |
| Gas lift dynamic load rating | 150 kg | |
| Tilt mechanism cycle durability | 120000 cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Black smooth grain upholstery, button tufted on headrest and mid-back | |
|---|---|---|
| Side panels and arm support frames | Dark walnut finish bent plywood, curved continuous profile from headrest to arm base | |
| Seat support board | 12 mm thick high-density plywood, secured to tilt mechanism with steel mounting plates | |
| Backrest support panel | 12 mm thick bent plywood, shaped to ergonomic reclined curve | |
| Internal frame | 1.5 mm thick steel reinforcement frame connecting seat, back, and mechanism | |
| Five-star base | Wood-finish solid engineered wood legs with central steel hub for gas cylinder attachment | |
| Armrest pads | Black padded upholstered surface matching seat material, mounted on wood arm supports | |
| Gas lift cylinder | Class 3 chromed steel pneumatic cylinder, 100 mm stroke | |
| Caster wheels | Black hooded polyurethane dual casters, non-marking hard floor compatible | |
| Seam stitching | 30 mm stitch pitch on upholstery seams, matched thread color | |
| Internal reinforcement frame | 1.5 mm thick square steel tube frame connecting seat, back, and tilt mechanism, powder coated black | |
| Tilt chassis | 3 mm thick stamped steel butterfly tilt mechanism, black powder coated finish |
Adjustment / rotation / tilt / mobility / storage features
| 360-degree swivel rotation | Full 360° horizontal rotation enabled by central swivel bearing between seat and gas lift | |
|---|---|---|
| Pneumatic seat height adjustment | 100 mm vertical travel via Class 3 gas lift, activated by side lever under seat | |
| Tilt recline function | 15° maximum backward recline angle from upright seating position | |
| Tilt tension adjustment | User-adjustable recline resistance knob under seat, calibrated for user weight between 160 kg | |
| Upright tilt lock | Single position lock securing chair in fully upright position for focused desk work | |
| Smooth rolling mobility | Dual PU casters roll freely on hard wood, tile, and low-pile carpet floors with 360° caster swivel | |
| Integrated head and neck support | Tufted upper back headrest section aligned to support cervical spine when seated upright or slightly reclined | |
| Fixed curved lumbar support | Shaped mid-back padding and bent wood panel providing fixed lumbar contour aligned to natural lower back curve | |
| Fixed arm support | Curved upholstered armrests fixed at 230 mm above seat surface, aligned to support forearms during typing and desk work | |
| 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 configuration | 1 chair per knocked-down export carton | |
|---|---|---|
| Carton dimensions | 980 x 680 x 630 mm | |
| Gross weight per carton | 28 kg | |
| Packaging volume per unit | 0.42 CBM | |
| Assembly time | 50 minutes | |
| 20GP container load quantity | 120 units | |
| Packaging materials | 5-layer double-corrugated export carton, EPS foam edge protection, polyethylene bag wrap, hardware kit with assembly instructions | |
| 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
| Private executive offices | Traditional formal aesthetic with wood trim and tufted upholstery matches C-suite and management office environments, projecting a professional classic appearance | |
|---|---|---|
| Home office studies | Plush padding and classic styling complement traditional home office decor, providing desk-appropriate support for remote work | |
| Formal conference room seating | High-back design provides formal seating for boardrooms and high-level meeting spaces, supporting upright posture during 2+ hour meetings | |
| Law and financial professional offices | Conservative dark wood and black upholstery matches formal professional office decor for client-facing spaces | |
| Standard desk height compatibility | Adjustable seat height range works with 760 mm standard office desks, maintaining proper arm and leg clearance | |
| Hard floor and low-pile carpet environments | PU non-marking casters are suitable for wood, tile, and commercial carpet without requiring separate chair mats | |
| Executive reception areas | Formal silhouette provides dignified guest seating for executive reception and waiting areas adjacent to leadership offices | |
| Recommended Matching Desk Size | 2.4 m executive desk |
EU Market Access Requirements* EN Standards
| EN 1335-1:2020 | Office work chair dimensional safety standards, verifying seat, back, and arm dimensions align with ergonomic desk use requirements | |
|---|---|---|
| EN 1335-2:2018 | Office chair safety requirements covering structural strength, stability, and mechanical component durability for commercial use | |
| EN 1335-3:2009 | Office chair test methods defining procedures to verify load capacity, caster durability, and mechanism cycle performance |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Standard for office chairs, defining static load, impact, cyclic durability, and stability tests for general-purpose office seating, applicable to base, mechanism, and cylinder verification | |
|---|---|---|
| ANSI/BIFMA X5.11-2015 | Standard for big and tall office chairs, optional extended load rating reference for higher weight capacity variants of this executive chair model |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to wood bent panel components and five-star wood base, verifying structural stability and finish quality | |
|---|---|---|
| GB/T 16799-2008 | Leather and artificial leather for furniture, applicable to upholstery material testing for abrasion resistance, color fastness, and flexibility | |
| GB 28007-2011 | Safety and performance requirements for office chairs, specifying static load, stability, and durability testing criteria for structural components | |
| GB/T 39604-2020 | Furniture hardware - Gas springs for seating, applicable to pneumatic lift cylinder safety and cycle performance verification |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to wood bent panel components and five-star wood base, verifying structural stability and finish quality; 2. GB/T 16799-2008: Leather and artificial leather for furniture, applicable to upholstery material testing for abrasion resistance, color fastness, and flexibility; 3. GB 28007-2011: Safety and performance requirements for office chairs, specifying static load, stability, and durability testing criteria for structural components; 4. GB/T 39604-2020: Furniture hardware - Gas springs for seating, applicable to pneumatic lift cylinder safety and cycle performance verification; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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