| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 520 x 500 x 1030 mm | |
|---|---|---|
| Seat height | 450 mm | |
| Seat panel dimensions | 450 x 450 mm | |
| Backrest height | 580 mm | |
| Leg cross-section | 40 x 40 mm | |
| Stretcher height above floor | 120 mm | |
| Central circular cutout diameter | 120 mm | |
| Carved top rail height | 60 mm | |
| Seat apron height | 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 per chair | 9 kg | |
|---|---|---|
| Recommended static load capacity | 150 kg | |
| Seating capacity per unit | 1 person | |
| Frame static durability rating | 100000 use cycles | |
| Finish abrasion resistance | 2000 cycles | |
| Vertical leg static load per leg | 75 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
| Structural frame and legs | Solid hardwood, likely elm or rubberwood | |
|---|---|---|
| Seat panel | 20mm thick solid hardwood plank | |
| Backrest slats | 18mm thick solid hardwood with routed edges | |
| Joinery | Mortise-and-tenon construction for all frame connections | |
| Surface finish | Nitrocellulose lacquer in warm rosewood tone | |
| Carved details | Integral solid wood carvings on top rail, apron and cutout ring | |
| Stretchers | Solid wood cross-bracing between all four legs | |
| Seam pitch | N/A, solid wood construction no upholstery stitching | |
| 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 function | Fixed upright armless seating for dining use | |
|---|---|---|
| Structural stability | Perimeter stretchers prevent leg splay and frame wobble | |
| Stacking capability | Non-stackable fixed solid wood construction | |
| Back support | Vertical slat backrest with central lumbar support cutout | |
| Floor protection | Optional self-adhesive felt pad installation on leg bases | |
| Customization | Finish color customization available for bulk orders | |
| 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 dining room | Match traditional Chinese or vintage wooden dining table sets | |
|---|---|---|
| Chinese restaurant dining hall | High durability suitable for commercial hospitality daily use | |
| Tea house or private function room | Decorative carved details fit traditional cultural venue aesthetics | |
| Hotel guest room dining area | Warm wood finish complements classic hotel room furnishing styles | |
| Bulk custom project use | Standard dimensions allow uniform layout for large restaurant projects | |
| 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
| EN 12520:2015 | Furniture - Strength, durability and safety for domestic seating | |
|---|---|---|
| EN 1022:2018 | Furniture - Seating - Determination of stability |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture | |
|---|---|---|
| GB 18584-2001 | Limit of harmful substances in wooden furniture interior materials | |
| GB/T 10357.3-2013 | Test method for strength and durability of chairs and stools |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture; 2. GB 18584-2001: Limit of harmful substances in wooden furniture interior materials; 3. GB/T 10357.3-2013: Test method for strength and durability of chairs and stools; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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