| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 590 x 560 x 810 mm | |
|---|---|---|
| Seat height | 483 mm | |
| Seat width | 520 mm | |
| Seat depth | 455 mm | |
| Backrest total height | 327 mm | |
| Armrest height from floor | 720 mm | |
| Leg taper diameter at floor | 30 mm | |
| Leg splay angle from vertical | 8 degrees | |
| Seat panel thickness | 20 mm | |
| Back rail cross-section diameter | 25 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 per chair | 7 kg | |
|---|---|---|
| Maximum static user load | 136 kg | |
| Recommended user count | 1 person | |
| Joinery static durability | 10000 use cycles | |
| Finish scratch resistance | Class 2 | |
| Leg floor contact load distribution | 34 kg per leg | |
| Standard warranty period | 1 year | |
| 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
| Frame and legs | Solid beech/ash hardwood with matte black lacquer finish | |
|---|---|---|
| Seat panel | Solid hardwood panel with matching black smooth finish | |
| Joinery | Traditional mortise-and-tenon wood joinery | |
| Backrest supports | Solid wood vertical and curved slats integrated with arm rails | |
| Floor protection pads | Adhesive non-slip felt pads attached to leg bottoms | |
| Coating | Low-VOC water-based black wood paint | |
| Frame member thickness | 25 mm | |
| Seat edge treatment | Rounded smooth sanded edge to prevent contact injury | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame | |
| Gas-lift Engineering Specification | Recommended Class 4; outer tube 50 mm; stroke 100 mm | |
| Tilt Mechanism Plate Thickness | 2.5 mm cold-rolled steel |
Adjustment / rotation / tilt / mobility / storage features
| Seating function | Fixed upright seating position for dining, meeting or tea table use | |
|---|---|---|
| Arm support | Integrated curved armrests extending from back rail to front seat sides | |
| Back support | Curved Y-shaped backrest with central vertical splat for lumbar alignment | |
| Floor stability | Four splayed outward-tapered legs for anti-tip stability | |
| Floor protection | Felt leg pads prevent hard floor scratching and reduce movement noise | |
| Stacking capability | Non-stackable fixed frame design | |
| Assembly requirement | Fully assembled delivery for retail variants, KD optional for wholesale | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120 kg | |
| Height Adjustment Stroke | 100 mm continuous travel | |
| Rotation / Mobility Configuration | 360° swivel with 5-caster multidirectional movement |
Verified carton / gross weight / assembly / loading data
| 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 | |
| Reference Carton Volume | 0.26 m³/set | |
| Indicative 20GP Loading | 135 sets at 85% space utilization | |
| Indicative 40HQ Loading | 320 sets at 85% space utilization |
Recommended spaces / users / usage modes
| Residential dining room | Matches 760 mm standard dining table height for daily family meals | |
|---|---|---|
| Commercial cafe/tea house | Black minimalist finish fits modern casual dining and tea service spaces | |
| Home office study | Can be used as a guest or desk side chair with standard height desks | |
| Hotel meeting lounge | Suitable for small conference table seating in boutique hotel spaces | |
| Co-working breakout area | Provides lightweight, movable seating for informal collaboration zones | |
| 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 12520:2015 | Applicable for residential furniture seating strength, durability and stability | |
|---|---|---|
| EN 1022:2018 | Applicable for seating furniture stability test methods |
Standards applicable to China-market projects
| GB/T 3324-2017 | Applicable for general technical requirements of wooden furniture | |
|---|---|---|
| GB 18584-2001 | Applicable for indoor decoration material formaldehyde emission limit | |
| GB/T 10357.3-2013 | Applicable for chair and stool mechanical property test |
This product must meet the following technical requirements: 1. GB/T 3324-2017: Applicable for general technical requirements of wooden furniture; 2. GB 18584-2001: Applicable for indoor decoration material formaldehyde emission limit; 3. GB/T 10357.3-2013: Applicable for chair and stool mechanical property test; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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