| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 550 x 550 x 850 mm | |
|---|---|---|
| Seat height from floor | 470 mm | |
| Seat cushion size | 500 x 480 mm | |
| Seat cushion thickness | 50 mm | |
| Backrest total height | 420 mm | |
| Armrest height from seat | 220 mm | |
| Metal tube diameter (frame) | 25 mm | |
| Footrest crossbar height | 150 mm | |
| Leg spread width at base | 530 mm | |
| Vertical back slat count | 4 pcs | |
| Clearance under seat frame | 370 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 unit | 13 kg | |
|---|---|---|
| Recommended static load capacity | 150 kg | |
| Seat foam density | 45 kg/m³ | |
| Foam rebound rate | 60% | |
| Frame static load rating | 300 kg | |
| Seam stitch pitch | 8 mm | |
| Available upholstery colors | 3 | |
| Recommended warranty period | 3 years | |
| 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 construction | 25mm diameter black matte powder-coated steel tubing | |
|---|---|---|
| Seat upholstery surface | 0.8mm thick matte PU leather | |
| Seat cushion core | High-density polyurethane foam | |
| Backrest structure | Curved solid steel vertical slats with wavy top rail | |
| Armrest construction | Integrated bent steel tubing connecting front legs to back frame | |
| Footrest structure | Welded square steel crossbars connecting all four legs | |
| Leg floor contact points | Non-slip polyethylene foot pads | |
| Frame surface finish | Matte black electrostatic powder coating | |
| Welded joint treatment | Ground smooth welds with matching finish | |
| 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 |
Adjustment / rotation / tilt / mobility / storage features
| Seating function | Fixed-position single-person seat for tea table use | |
|---|---|---|
| Back support | Curved slat back provides upright lumbar support for tea service posture | |
| Arm support | Integrated curved armrests support forearm rest during seated tea preparation/consumption | |
| Foot rest function | Lower perimeter crossbars serve as stable foot rest for extended seated sessions | |
| Floor protection | Non-slip foot pads prevent floor scratches and reduce movement noise | |
| Assembly requirement | Knock-down assembly for legs and back frame with included hardware | |
| Stacking capability | Non-stackable fixed frame design | |
| Set compatibility | Designed to match standard 750 mm height tea tables and reception desks | |
| 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
| Export carton dimensions | 700 x 650 x 950 mm | |
|---|---|---|
| Gross weight per packaged unit | 15 kg | |
| 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 application | Suitable for home tea rooms matching new Chinese style solid wood or slate tea tables | |
|---|---|---|
| Commercial reception space | Suitable for hotel lobbies, tea house seating, and office reception areas | |
| Balcony leisure space | Suitable for residential balcony casual seating for tea and relaxation | |
| Set configuration recommendation | Typically used in sets of 6chairs per standard tea table, with 2 matching main chairs | |
| Cleaning requirement adaptation | Smooth PU surface and metal frame enable easy wiping for daily maintenance | |
| Design style matching | Matches new Chinese, light luxury, and minimalist industrial interior design schemes | |
| 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
| Furniture seating strength and durability | EN 12520:2015 | |
|---|---|---|
| Furniture seating stability | EN 1022:2018 | |
| Furniture surface scratch resistance | EN 15186:2012 |
Standards applicable to China-market projects
| Metal furniture structural safety | GB/T 3324 | |
|---|---|---|
| Upholstered furniture formaldehyde limit | GB 18584 | |
| Furniture seating stability test | GB/T 10357.2 |
This product must meet the following technical requirements: 1. Metal furniture structural safety: GB/T 3324; 2. Upholstered furniture formaldehyde limit: GB 18584; 3. Furniture seating stability test: GB/T 10357.2; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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