| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 680 x 780 x 1100 mm | |
|---|---|---|
| Seat height from floor | 480 mm | |
| Seat usable width | 530 mm | |
| Seat usable depth | 480 mm | |
| Backrest total height above seat | 550 mm | |
| Armrest height above seat | 220 mm | |
| Front leg cross-section | 50 mm square | |
| Seat cushion thickness | 70 mm | |
| Backrest padding thickness | 50 mm | |
| Floor clearance under seat front rail | 160 mm | |
| Dimensional tolerance | ±10 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Lumbar Support Zone Height | 240 mm | |
| Clear Width Between Armrests | 540 mm |
Net weight / load capacity / users / durability
| Static weight capacity per chair | 150 kg | |
|---|---|---|
| Upholstery abrasion resistance | 3000 rubs | |
| Seat foam density | 30 kg/m³ | |
| Foam rebound rate | 40% | |
| Net weight per unit | 25 kg | |
| Design service life | 5 years | |
| Seam stitch pitch | 8 stitches per 30 mm | |
| Frame moisture content | 12% | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Frame structure | Solid rubberwood hardwood frame with walnut-stained matte lacquer finish | |
|---|---|---|
| Seat upholstery | 1.0mm thick black faux leather (PVC) with soft matte texture | |
| Seat cushion core | High-resilience polyurethane foam wrapped in soft polyester batting | |
| Backrest core | Segmented high-density foam over 15mm plywood internal support panel | |
| Armrests | Integrated curved solid wood armrests attached to frame with mortise and reinforced hardware | |
| Leg finish | Smooth UV-cured eco-friendly wood lacquer, scratch and stain resistant | |
| Floor protection | Hard-wearing nylon anti-slip glides fitted to each leg base | |
| Stitching details | Matching black bonded nylon thread with reinforced edge stitching at seat front and back seams | |
| 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
| Frame structure | Rigid fixed 4-leg construction with no swivel, tilt or height adjustment mechanisms | |
|---|---|---|
| Back support | Segmented horizontally channeled backrest with built-in lumbar support zone for upright meeting posture | |
| Arm support | Fixed curved wood armrests positioned at standard desk elbow height to support forearms during long meetings | |
| Seat comfort | Thick rounded front edge seat cushion to reduce pressure on back of legs during extended seating | |
| Floor stability | Four-point fixed contact with floor glides to prevent slipping and protect hard floor surfaces | |
| Maintenance design | Smooth non-porous upholstery and lacquered wood surface that can be wiped clean with standard office cleaning products | |
| Structural reinforcement | Cross-brace wood support under seat connects front and rear legs to increase frame rigidity | |
| 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
| Corporate conference rooms | Formal high-back seating for board meetings, contract discussions and formal internal gatherings | |
|---|---|---|
| Executive reception areas | Visitor seating outside manager/director offices with matching executive wood office furniture | |
| Government and institutional meeting spaces | Sturdy formal seating for official meeting rooms with durable easy-to-clean surfaces | |
| Training and seminar rooms | Fixed non-swivel seating that supports upright posture for full-day training sessions | |
| Private office visitor seating | Positioned opposite executive desks for one-on-one meetings with clients or staff | |
| 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 1335-2:2018 | Office work chair safety requirements, applicable to structural stability and strength for visitor seating | |
|---|---|---|
| EN 1022:2018 | Domestic and contract seating stability test method, applicable to fixed 4-leg chair stability verification | |
| EN 12520:2015 | Furniture strength, durability and safety for seating, applicable to commercial use performance requirements |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | General purpose office chairs standard, applicable as reference for static load and durability testing |
|---|
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to frame and finish quality acceptance | |
|---|---|---|
| GB 18584-2001 | Limit of harmful substances in wooden furniture, applicable to formaldehyde and finish emission limits | |
| GB/T 19001-2016 | Quality management system guideline for production process consistency of commercial furniture | |
| GB/T 35607-2017 | Green product evaluation requirement for furniture, applicable to eco-friendly material selection |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to frame and finish quality acceptance; 2. GB 18584-2001: Limit of harmful substances in wooden furniture, applicable to formaldehyde and finish emission limits; 3. GB/T 19001-2016: Quality management system guideline for production process consistency of commercial furniture; 4. GB/T 35607-2017: Green product evaluation requirement for furniture, applicable to eco-friendly material selection; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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