| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 480 x 450 x 920 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
| Static seat load capacity | 150 kg | |
|---|---|---|
| Net product weight | 8 kg | |
| Recommended maximum user weight | 120 kg | |
| Brass accent cap diameter | 30 mm | |
| Structural joint cycle rating | 10000 use cycles | |
| Surface scratch resistance rating | 2B | |
| 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
| Main frame and legs | Solid hardwood with dark walnut-toned lacquer finish | |
|---|---|---|
| Seat panel | Inset solid wood panel with framed edge detailing | |
| Backrest central panel | Single vertical solid wood slat with matching finish | |
| Backrest top rail end caps | Polished brass alloy decorative caps | |
| Footrest crossbar | Solid wood horizontal stretcher connecting front legs | |
| Joinery hardware | Mortise-and-tenon joints with concealed wood screws | |
| Surface finish | Low-sheen clear nitrocellulose lacquer | |
| Back vertical posts | Solid wood angled supports connecting top rail to seat | |
| 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
| Fixed armless seating | Stationary non-adjustable seating position aligned for standard dining table use | |
|---|---|---|
| Foot support | Integrated front horizontal footrest for relaxed lower limb placement during extended seating | |
| Lumbar support | Vertical central back slat provides upright mid-back support for formal dining posture | |
| Stacking capability | Non-stackable rigid frame design, cannot be nested with identical chairs for storage | |
| Floor protection | Compatible with stick-on felt floor protectors on leg bases to prevent hard floor scratches | |
| 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 rooms | Matching set for formal dining tables in New Chinese style home interiors | |
|---|---|---|
| Restaurant private dining rooms | Seating for high-end Chinese cuisine restaurants and tea houses | |
| Reception and meeting areas | Side seating for office reception lounges and traditional-style meeting spaces | |
| Tea room and study spaces | Companion seating for tea tables and study desks in home work areas | |
| 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
| Domestic chair safety reference | EN 12520:2015 | |
|---|---|---|
| Furniture surface resistance reference | EN 15186:2012 |
Standards applicable to China-market projects
| Chair structural strength reference | GB/T 3324 | |
|---|---|---|
| Wood furniture finish safety reference | GB 18584 |
This product must meet the following technical requirements: 1. Chair structural strength reference: GB/T 3324; 2. Wood furniture finish safety reference: GB 18584; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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