| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 680 x 600 x 1050 mm | |
|---|---|---|
| Seat height from floor | 480 mm | |
| Seat width between armrests | 530 mm | |
| Seat usable depth | 480 mm | |
| Total backrest height above seat | 550 mm | |
| Armrest height above seat | 220 mm | |
| Seat cushion thickness | 70 mm | |
| Backrest padding thickness | 50 mm | |
| Front leg cross-section | 40 x 40 mm | |
| Rear leg cross-section | 35 x 35 mm | |
| Anti-slip glide diameter per foot | 30 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
| Recommended static user weight capacity | 150 kg | |
|---|---|---|
| Seat foam density | 30 kg/m³ | |
| Upholstery abrasion resistance | 3000 cycles | |
| Seat foam rebound rate | 60 % | |
| Frame wood moisture content | 8 % | |
| Design service life | 5 years | |
| Unit net weight | 25 kg | |
| Seam stitching pitch | 8 stitches per 30mm | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Frame, legs and armrests | Solid hardwood with reddish-brown eco-friendly lacquer finish | |
|---|---|---|
| Seat and backrest upholstery | 1.2mm thick black wear-resistant PU faux leather | |
| Seat core padding | High-resilience cold-cured polyurethane foam | |
| Backrest core padding | Shaped supportive polyurethane foam with lumbar contour | |
| Frame joinery hardware | Zinc-plated steel dowels and screw fasteners | |
| Foot pads | Wear-resistant non-slip nylon glides | |
| Internal back support panel | 12mm thick multilayer plywood | |
| Internal seat support panel | 15mm thick multilayer plywood | |
| Surface finish | Satin cured wood lacquer with UV resistance | |
| 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 |
Adjustment / rotation / tilt / mobility / storage features
| Base structure | Fixed four-leg solid wood frame, no casters, no swivel | |
|---|---|---|
| Height adjustment | No gas lift or height adjustment, fixed seating position | |
| Recline function | Fixed upright back angle of 100 degrees, no tilt or recline | |
| Armrest design | Integrated curved cantilever wood armrests fixed to frame and legs | |
| Lumbar support | Contoured stitched lumbar recess in lower backrest | |
| Floor protection | Nylon anti-slip glides prevent scuffing and sliding | |
| Edge treatment | Rounded padded seat and back edges with piped stitching | |
| Assembly design | Knock-down construction for efficient shipping and on-site assembly | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120 kg | |
| 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 boardrooms | Formal high-back design supports extended seated meetings for executives | |
|---|---|---|
| Conference and meeting rooms | Fixed stable base provides consistent formal seating for group discussions | |
| Executive reception areas | Polished wood frame presents a professional welcoming appearance for visitors | |
| Government and institutional meeting spaces | Commercial grade construction meets public sector procurement durability requirements | |
| Training rooms for formal programs | Fixed upright position supports attentive seated learning during sessions | |
| 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 1335-1:2020 | Applicable reference for office chair seating dimensional stability requirements | |
|---|---|---|
| EN 1022:2018 | Applicable reference for domestic and contract seating stability performance |
Standards applicable to China-market projects
| GB/T 3324-2017 | Applicable as acceptance standard for solid wood office furniture technical requirements | |
|---|---|---|
| GB 18584-2001 | Applicable as limit standard for formaldehyde and harmful substances in wooden furniture |
This product must meet the following technical requirements: 1. GB/T 3324-2017: Applicable as acceptance standard for solid wood office furniture technical requirements; 2. GB 18584-2001: Applicable as limit standard for formaldehyde and harmful substances in wooden furniture; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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