| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 620 x 650 x 1070 mm | |
|---|---|---|
| Seat height | 450 mm | |
| Seat surface dimensions | 480 x 450 mm | |
| Backrest total height | 620 mm | |
| Armrest height above seat | 220 mm | |
| Armrest length | 380 mm | |
| Leg cross-section diameter | 35 mm | |
| Foot stretcher height above floor | 120 mm | |
| Brass inlay diameter | 50 mm | |
| Back splat width | 100 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
| Recommended maximum static load | 100 kg | |
|---|---|---|
| Chair net weight | 12 kg | |
| Seat surface static load capacity | 120 kg | |
| Backrest lateral load resistance | 50 kg | |
| Applicable user maximum height | 1850 mm | |
| Design service life under domestic use | 10 years | |
| Surface scratch resistance rating | Grade 2 | |
| 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
| Main frame, legs and back rails | Solid hardwood, rounded edge profile, walnut-stained finish | |
|---|---|---|
| Seat panel | 18mm thick solid wood, recessed edge detail, matching walnut finish | |
| Central back splat | Solid wood vertical panel, polished smooth surface, routed groove edge | |
| Back decorative inlay | Polished brass round insert, radial geometric pattern, tarnish-resistant coating | |
| Joinery components | Traditional mortise-tenon connections, reinforced wood dowels at frame joints | |
| Surface finish | Water-based matte lacquer, low VOC, stain-resistant sealed coating | |
| Structural stretchers | Solid wood cross and diagonal braces, connecting all four legs | |
| Armrest rails | Bent solid wood rounded tubing, seamless corner transitions | |
| 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 support | Upright 95-degree back angle for formal dining, tea service and desk use | |
|---|---|---|
| Arm support | Fixed integrated armrests with rounded edges to prevent arm pressure fatigue | |
| Structural stability | Perimeter and diagonal stretchers eliminate leg wobble during regular use | |
| Decorative detailing | Brass inlay serves as central visual accent without protruding sharp edges | |
| Floor protection | Optional felt glides can be fitted to leg bases to prevent hard floor scratching | |
| Use versatility | Fully assembled fixed structure without moving parts or adjustment mechanisms | |
| Seat accessory compatibility | Fits 480x450mm removable fabric or leather cushions for added comfort | |
| 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 | Serves as host or guest seating around rectangular or round dining tables for 6people | |
|---|---|---|
| Home study or office | Used as desk chair for writing, reading and calligraphy work paired with 750mm height desks | |
| Tea room or zen space | Functions as guest seating for tea ceremonies and casual reception in traditional style spaces | |
| Hospitality venues | Used in private dining rooms, boutique hotel lobbies and club lounge waiting areas | |
| Showroom and display | Pairs with matching new Chinese style coffee tables and consoles for furniture showroom display | |
| Conference meeting spaces | Deployed around small conference tables for formal internal meetings in traditional-style offices | |
| 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 test methods for strength and durability | EN 1728:2012 | |
|---|---|---|
| Furniture chairs and stools safety requirements | EN 12520:2015 | |
| Furniture assessment of surface resistance to dry heat | EN 12722:2000 |
Standards applicable to China-market projects
| General technical requirement for wooden furniture | GB/T 3324 | |
|---|---|---|
| Furniture mechanical performance test for chairs and stools | GB/T 10357.3 | |
| Indoor decorating and refurbishing materials limit of harmful substances | GB 18584 |
This product must meet the following technical requirements: 1. General technical requirement for wooden furniture: GB/T 3324; 2. Furniture mechanical performance test for chairs and stools: GB/T 10357.3; 3. Indoor decorating and refurbishing materials limit of harmful substances: GB 18584; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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