| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 700 x 690 x 820 mm | |
|---|---|---|
| Seat height | 480 mm | |
| Seat width | 520 mm | |
| Seat depth | 480 mm | |
| Backrest height | 400 mm | |
| Armrest height from floor | 680 mm | |
| Footrest height from floor | 180 mm | |
| Leg bottom brass ferrule length | 50 mm | |
| Front leg taper angle | 8 degrees | |
| Backrest panel 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 | 15 kg | |
|---|---|---|
| Recommended static load capacity | 150 kg | |
| Seat foam density | 45 kg/m³ | |
| Back foam density | 35 kg/m³ | |
| Foam rebound rate | 60% | |
| Seam stitch pitch | 8 mm | |
| Upholstery abrasion resistance | 50000 cycles | |
| Frame tube wall thickness | 1.5 mm | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Main frame | 1.5mm thick carbon steel tube with matte black powder-coated finish | |
|---|---|---|
| Decorative accents | Polished brass ferrules and joint hardware at arm joints and leg ends | |
| Seat upholstery | 1.2mm thick matte white top-grain leather | |
| Backrest upholstery | 1.2mm thick warm orange top-grain leather | |
| Seat padding | 80mm thick 45kg/m³ high-resilience polyurethane foam | |
| Backrest padding | 60mm thick 35kg/m³ high-resilience polyurethane foam | |
| Footrest crossbar | Matte black powder-coated steel tube matching main frame | |
| Frame joint construction | Welded steel joints with brass trim covers at arm-leg connections | |
| 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 posture | Fixed upright 95-degree seat-back angle | |
|---|---|---|
| Mobility | Non-rotating, non-reclining, non-folding fixed four-leg structure | |
| Foot support | Integrated cross-braced steel footrest bar at front under seat | |
| Arm support | Continuous curved horseshoe arm loop connecting front legs to back frame | |
| Surface maintenance | Stain-resistant leather upholstery suitable for wet-wipe cleaning | |
| Assembly requirement | Knock-down assembly required for leg and frame attachment | |
| Floor protection | Smooth brass leg ferrules with optional felt pad application | |
| 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 tea room use | Matches new Chinese style tea table sets for home tea service | |
|---|---|---|
| Hotel lounge reception | Suitable for boutique hotel public area guest seating | |
| Commercial tea house seating | Durable construction for daily guest use in tea establishments | |
| Home dining room accent seating | Works as end chair for formal dining table sets | |
| Showroom display seating | Suitable for furniture showroom and design studio display | |
| 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
| Seating furniture strength and stability | EN 12520:2015 | |
|---|---|---|
| Furniture surface resistance to cold liquids | EN 12720:2013 | |
| Furniture structural stability | EN 1022:2018 |
Standards applicable to China-market projects
| Metal furniture structural safety | GB/T 3324 | |
|---|---|---|
| Furniture mechanical performance for seating | GB/T 10357.3 | |
| Leather upholstery harmful substance limits | GB 20400 |
This product must meet the following technical requirements: 1. Metal furniture structural safety: GB/T 3324; 2. Furniture mechanical performance for seating: GB/T 10357.3; 3. Leather upholstery harmful substance limits: GB 20400; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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