| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 630 x 650 x 980 mm | |
|---|---|---|
| Seat width | 500 mm | |
| Seat depth | 480 mm | |
| Seat height range | 440 mm to 540 mm | |
| Backrest height | 430 mm | |
| Backrest width | 520 mm | |
| Armrest height | 220 mm | |
| Five-star base diameter | 680 mm | |
| Caster diameter | 60 mm | |
| Seat cushion thickness | 80 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
| Net weight | 18 kg | |
|---|---|---|
| Maximum static user load | 150 kg | |
| Seat foam density | 45 kg/m³ | |
| Upholstery abrasion resistance | 50000 Martindale cycles | |
| Gas lift stroke | 100 mm | |
| Tilt lock angle range | 12 degrees | |
| Caster rolling durability | 60000 cycles | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ | |
| Upholstery Thickness / Abrasion Reference | 1.4 mm / 50000 cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
| Outer back and side shell | 12mm thick bent plywood with natural oak veneer finish | |
|---|---|---|
| Seat and inner back upholstery | 1.2mm thick light beige polyurethane (PU) leather with visible contrast stitching | |
| Seat core cushion | High-density molded polyurethane foam with 80mm total thickness | |
| Back cushion layer | 40mm thick soft polyurethane foam over bentwood shell | |
| Five-star base | 2.0mm thick polished chrome-plated steel tubing | |
| Gas lift | Class 3 chrome-plated steel gas lift with 50mm outer diameter | |
| Tilt mechanism | 3.0mm thick black powder-coated steel synchro tilt chassis | |
| Casters | 60mm diameter dual-wheel polyurethane casters with chrome-plated steel housing | |
| Seam construction | 8 stitches per 30mm evenly spaced matching-thread stitching | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame | |
| Five-star Base Material Thickness | Metal base wall 3.5 mm; diameter 700 mm |
Adjustment / rotation / tilt / mobility / storage features
| 360-degree swivel rotation | Full unlimited horizontal rotation enabled by central gas lift bearing, allows repositioning without moving the base | |
|---|---|---|
| Pneumatic seat height adjustment | 100mm vertical travel controlled by side-mounted lever, adjusts seat to match desk heights between 720mm and 760mm | |
| Synchro tilt with upright lock | 12-degree backward tilt that moves seat and back in coordinated ratio, locks in full upright position for focused work | |
| Integrated wrap-around armrests | Fixed position curved armrests upholstered to match seat, provide continuous forearm support during typing and meetings | |
| Smooth-rolling casters | Five dual-wheel casters allow movement across hard floors and low-pile carpet without floor damage | |
| Cutout back ventilation design | Recessed horizontal cutout at lower back allows air circulation between user and shell during extended seated use | |
| 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 | 700 x 650 x 550 mm | |
| Gross shipping weight | 21 kg | |
| Shipping volume per unit | 0.25 CBM | |
| Assembly time | 25 minutes | |
| 20ft GP container loading quantity | 216 units | |
| 40ft HQ container loading quantity | 536 units | |
| 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
| Executive private offices | Suitable for director and manager offices, pairs with 760 mm height executive desks to create a polished professional aesthetic | |
|---|---|---|
| Conference and meeting rooms | Suitable for boardroom and meeting spaces, provides comfortable support for 4 hour meetings with easy swivel access to meeting materials | |
| Open-plan workstation seating | Suitable for premium open office workstations, neutral light beige finish complements light wood and white office fit-outs | |
| Home office spaces | Suitable for residential home offices, compact footprint fits small work areas without dominating room decor | |
| Client reception areas | Suitable for visitor seating in reception and lounge zones, comfortable padding and premium finish creates a welcoming first impression | |
| 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
| EN 1335-1:2020 | Applicable European standard for office work chairs, recommended to verify dimensional and ergonomic requirements for commercial use | |
|---|---|---|
| EN 1335-2:2018 | Applicable safety standard for office chairs, recommended to verify structural strength, durability and stability requirements | |
| EN 1335-3:2009 | Applicable test method standard for office chair safety and durability validation |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applicable North American standard for office chairs, recommended to verify static load, durability and stability performance for commercial installations |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | Applicable standards and test results require confirmation | |
|---|---|---|
| GB 28007-2011 | Applicable standards and test results require confirmation | |
| GB/T 19001-2016 | Recommended quality management system requirement for production consistency of upholstered office seating |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applicable standards and test results require confirmation; 2. GB 28007-2011: Applicable standards and test results require confirmation; 3. GB/T 19001-2016: Recommended quality management system requirement for production consistency of upholstered office seating; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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