| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 580 x 550 x 820 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 product weight | 7 kg | |
|---|---|---|
| Maximum static seat load | 150 kg | |
| Seat cushion density | 35 kg/m³ | |
| Seat cushion rebound rate | 45% | |
| Recommended user weight | 120 kg | |
| Frame static load capacity | 200 kg | |
| 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 | |
| Five-star Base Static Load Reference | Acceptance target ≥120 kg; chair reference load 150 kg |
Core acceptance fields · Panels / hardware / frame / upholstery
| Frame structure | 20mm diameter matte black powder-coated carbon steel tube | |
|---|---|---|
| Seat cushion core | High-resilience polyurethane foam | |
| Seat upholstery | Matte light beige PU leather | |
| Backrest slats | 3 curved vertical steel slats matching frame finish | |
| Lower support stretchers | Square perimeter steel tube bracing | |
| Armrests | Curved continuous steel tube forming integrated arm and front leg | |
| Top back rail | Curved wavy-profile steel tube | |
| Leg feet | Integral flat steel cut ends without separate glides | |
| 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
| Back support | Curved vertical slats provide upright lumbar support for formal tea seating | |
|---|---|---|
| Arm support | Continuous curved armrests support forearms during seated tea service | |
| Seat comfort | 50mm thick padded seat reduces pressure during extended sitting | |
| Structural stability | Perimeter lower stretcher system eliminates frame wobble | |
| Floor protection | Smooth leg ends suit hard flooring, compatible with adhesive felt pads | |
| Maintenance | Smooth powder-coated frame and PU upholstery wipe clean with dry cloth | |
| 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
| Domestic tea rooms | Upright ergonomic profile supports extended formal tea tasting sessions | |
|---|---|---|
| Chinese-style restaurant dining areas | Neo-Chinese metal design complements modern oriental dining decor | |
| Courtyard outdoor covered seating | Powder-coated metal frame resists light moisture in semi-outdoor spaces | |
| Reception lounge casual seating | Compact footprint fits small waiting areas without crowding | |
| Study desk side seating | 450mm seat height aligns with standard 750mm desk height for occasional writing | |
| 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
Standards applicable to China-market projects
This product must meet the following technical requirements: 1. Technical standards and test reports must be supplied during tender or purchase confirmation; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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