| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 570 x 520 x 820 mm | |
|---|---|---|
| Seat width | 520 mm | |
| Seat depth | 480 mm | |
| Seat height from floor | 495 mm | |
| Backrest height from seat | 400 mm | |
| Armrest height from floor | 660 mm | |
| Armrest length | 280 mm | |
| Seat cushion thickness | 80 mm | |
| Metal tube diameter | 25 mm | |
| Leg base footprint | 500 x 450 mm | |
| Knee clearance under seat | 260 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 | 12 kg | |
|---|---|---|
| Static load capacity | 150 kg | |
| Seat foam density | 45 kg/m³ | |
| Foam rebound rate | 60% | |
| Upholstery abrasion resistance | 30000 cycles | |
| Frame static load rating | 200 kg | |
| Seam stitch pitch | 3 mm | |
| 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 | Dark matte powder-coated tubular carbon steel | |
|---|---|---|
| Seat upholstery | Off-white linen-look woven polyester fabric | |
| Seat cushion fill | High-density polyurethane foam | |
| Armrest pads | Off-white upholstered padding over metal arm frame | |
| Backrest panel | Powder-coated solid metal with semicircular slatted cutout | |
| Stretcher supports | Matching tubular steel perimeter cross braces | |
| Foot glides | Non-slip plastic protective floor pads | |
| Frame weld points | Fully ground and powder-coated smooth joints | |
| 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 | Upright fixed-position dining seating for single adult | |
|---|---|---|
| Arm support | Fixed padded armrests for forearm support during meals | |
| Structural stability | Perimeter metal stretchers connect all legs to prevent wobble | |
| Floor protection | Plastic glides on leg bottoms prevent hard floor scratching | |
| Back support | Rigid backrest with central splat provides lumbar and mid-back support | |
| Customization compatibility | Supports custom upholstery color and frame finish options | |
| Assembly requirement | Knock-down assembly required with included hardware | |
| 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 | Suitable for home dining sets around standard height dining tables | |
|---|---|---|
| Restaurant private dining rooms | Appropriate for Chinese style restaurant and hotel dining spaces | |
| Tea room and lounge areas | Suited for traditional tea house and casual reception seating | |
| Hotel guest room seating | Works as desk or corner seating in boutique hotel rooms | |
| Reception and waiting areas | Suitable for cultural space and office reception waiting zones | |
| 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 | Domestic furniture seating stability test standard reference |
US and Canada office-furniture standards
| ANSI/BIFMA X5.11-2015 | General purpose office seating static load reference for heavy use |
|---|
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture metal hardware applicability | |
|---|---|---|
| GB/T 19001-2016 | Quality management system reference for furniture production | |
| GB 18584-2001 | Indoor decoration material furniture harmful substance limit reference |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture metal hardware applicability; 2. GB/T 19001-2016: Quality management system reference for furniture production; 3. GB 18584-2001: Indoor decoration material furniture harmful substance limit reference; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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