| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 660 x 680 x 980 mm | |
|---|---|---|
| Seat height from floor | 480 mm | |
| Seat cushion depth | 480 mm | |
| Seat cushion width | 500 mm | |
| Backrest height above seat | 500 mm | |
| Armrest height above seat | 200 mm | |
| 5-star base diameter | 640 mm | |
| Bentwood shell thickness | 12 mm | |
| Gas lift outer tube diameter | 50 mm | |
| Upholstery foam thickness (seat center) | 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
| Assembled product weight | 18 kg | |
|---|---|---|
| Maximum static user load capacity | 150 kg | |
| Seat cushion foam density | 45 kg/m³ | |
| Seat cushion foam thickness | 60 mm | |
| Backrest foam thickness | 40 mm | |
| Upholstery abrasion resistance (Martindale) | 50000 cycles | |
| Gas lift height adjustment stroke | 100 mm | |
| Seam stitch pitch | 8 stitches per 30mm | |
| Floor pad shear strength | 50 kg per pad | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Light beige matte faux leather (PU) | |
|---|---|---|
| Outer shell panels | Walnut wood veneer bent plywood | |
| Decorative edge trim | Thin polished gold-tone metallic strip | |
| Center support column | Polished chrome-plated steel | |
| 5-star base legs | Polished die-cast aluminum | |
| Height adjustment lever | Black injection-molded ABS | |
| Base floor contact pads | Black non-slip rubber | |
| Internal support frame | 1.5mm thick steel plate | |
| 4-star base legs | Polished die-cast aluminum | |
| Gas lift internal cylinder | Class 3 nitrogen-filled steel | |
| Upholstery underlayment | 10mm thick hardboard | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board |
Adjustment / rotation / tilt / mobility / storage features
| 360-degree swivel rotation | Full 360° horizontal rotation enabled by central swivel mechanism, allows easy position change without moving the base | |
|---|---|---|
| Pneumatic seat height adjustment | 100mm vertical adjustment activated by side lever, locks at selected height to match desk and user height | |
| Fixed integrated armrests | Armrests formed as part of the bentwood shell, fixed position without height or width adjustment, provides consistent arm support | |
| Stable fixed-position base | Four-point floor contact from 5-star legs, no rolling casters, designed for stationary conference or visitor use | |
| Ergonomic mid-back support | Contoured backrest shape aligned to natural lumbar curve, provides upright support for meeting and desk work | |
| Maintenance-friendly upholstery | Smooth faux leather surface allows wiping clean with mild detergent for high-traffic office environments | |
| Tilt lock function | 12° backward seat tilt with single-position lock enabled by under-seat mechanism, supports relaxed seated posture during meetings | |
| 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
| Number of shipping cartons | 1 carton | |
|---|---|---|
| Shipping carton dimensions | 720 x 580 x 620 mm | |
| Gross shipping weight | 22 kg | |
| Shipping volume per unit | 0.26 CBM | |
| assembly time | 20 minutes | |
| 20ft GP container loading quantity | 108 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
| Corporate conference rooms | Stationary design with premium wood and leather look, suitable for formal meeting spaces around boardroom tables | |
|---|---|---|
| Executive office visitor seating | Fits as guest chair placed in front of executive desks for client and visitor use | |
| Private office work seating | Height-adjustable swivel function supports daily desk work for managers in individual offices | |
| High-end reception areas | Walnut and light beige upholstery creates a welcoming upscale appearance for lobby and reception zones | |
| Hotel business center seating | Durable easy-clean upholstery and stable base suitable for high-traffic public business lounge areas | |
| 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 seating safety recommendation | EN 1335:2020 Office furniture - Office work chairs - Part 1: Dimensions, determination of dimensions | |
|---|---|---|
| Office seating stability recommendation | EN 1335:2018 Office furniture - Office work chairs - Part 2: Safety requirements, applicable for stability, strength and durability verification | |
| Upholstery abrasion recommendation | EN 14465:2003 Textiles - Upholstery fabrics - Specification, applicable for abrasion and color fastness verification of upholstery materials |
US and Canada office-furniture standards
| Office chair performance recommendation | ANSI/BIFMA X2017American National Standard for Office Chairs, applicable for static load, durability and stability testing |
|---|
Standards applicable to China-market projects
| Office chair structural safety recommendation | GB/T 3326General technical requirements for furniture: tables and chairs, applicable for dimensional and structural stability verification | |
|---|---|---|
| Office chair strength and durability recommendation | GB/T 10357.3Test method for furniture: chairs and stools, applicable for static load, impact and fatigue testing | |
| Upholstery fire safety recommendation | GB 20286Flame retardant performance of public place furniture and components, applicable for fire retardant verification of upholstery materials |
This product must meet the following technical requirements: 1. Office chair structural safety recommendation: GB/T 3326General technical requirements for furniture: tables and chairs, applicable for dimensional and structural stability verification; 2. Office chair strength and durability recommendation: GB/T 10357.3Test method for furniture: chairs and stools, applicable for static load, impact and fatigue testing; 3. Upholstery fire safety recommendation: GB 20286Flame retardant performance of public place furniture and components, applicable for fire retardant verification of upholstery materials; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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