| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 780 x 910 x 1160 mm | |
|---|---|---|
| Seat height from floor | 450 mm | |
| Seat width | 520 mm | |
| Seat depth | 500 mm | |
| Backrest height | 710 mm | |
| Backrest width | 520 mm | |
| Armrest height from seat | 165 mm | |
| Armrest height from floor | 640 mm | |
| Leg footprint width | 620 mm | |
| Leg footprint depth | 720 mm | |
| Floor glide diameter | 30 mm | |
| Seat cushion thickness | 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 unit | 27 kg | |
|---|---|---|
| Maximum static user load | 150 kg | |
| Seat foam density | 50 kg/m³ | |
| Backrest foam density | 35 kg/m³ | |
| Foam rebound rate | 60% | |
| Recommended user count | 1 person | |
| Structural warranty period | 3 years | |
| Seam stitch 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
| Seat and back upholstery | 1.0mm thick black PU faux leather, wear-resistant matte finish | |
|---|---|---|
| Seat cushion padding | 50D high resilience polyurethane foam, wrapped with polyester batting | |
| Backrest padding | 35D polyurethane foam with vertical tufted lumbar support | |
| Frame and legs | Polished bent solid hardwood, high-gloss reddish-brown lacquer finish | |
| Internal support board | 12mm thick plywood seat and back base panel | |
| Armrest structure | Integral bent wood arm, smooth polished edge, connected to frame with metal fasteners | |
| Floor glides | Hard plastic non-marking glides fitted to each leg foot | |
| Seat support springs | S-shaped sinuous steel springs under seat cushion | |
| 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
| Base configuration | Fixed four-leg non-swivel base, no casters, no rotation function | |
|---|---|---|
| Height adjustment | No gas lift or height adjustment, fixed 450mm seat height | |
| Recline function | No tilt or recline mechanism, backrest fixed at 100-degree upright angle | |
| Lumbar support | Integrated tufted central lumbar pad, fixed supportive contour | |
| Armrest support | Curved fixed wood armrests, load-rated for 50kg vertical force per arm | |
| Floor protection | Non-marking plastic glides prevent scratches on hard wood or tile floors | |
| Assembly requirement | Partial knockdown assembly required for leg to frame connection | |
| Position locking | No moving locking mechanisms, all components permanently rigid once assembled | |
| 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
| Executive conference rooms | Formal styling matches high-level meeting spaces for guest and executive seating | |
|---|---|---|
| Office reception areas | Professional appearance suitable for lobby and visitor waiting spaces | |
| Executive private offices | Fixed guest seating placed in front of executive desks for visitor use | |
| Board meeting rooms | High-back support provides comfort for long-duration board meetings | |
| Government and institutional meeting spaces | Conservative formal design suitable for official meeting environments | |
| Commercial training rooms | Durable fixed construction withstands frequent daily use in training spaces | |
| Hotel business centers | Polished wood and leather look matches upscale hotel business facility decor | |
| Recommended Matching Desk Size | 2.4 m executive desk |
EU Market Access Requirements* EN Standards
| EN 1335-1:2020 | Applicable office chair dimensional safety standard, recommended for dimensional compliance check | |
|---|---|---|
| EN 1335-2:2018 | Applicable office chair strength, durability and stability standard, recommended for performance testing | |
| EN 1022:2018 | Applicable domestic and contract seating stability standard, recommended for tip-over testing |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applicable standard for general purpose office chairs, recommended for commercial grade validation |
|---|
Standards applicable to China-market projects
| GB/T 3324-2017 | Applicable general technical standard for wooden furniture, recommended for wood frame acceptance | |
|---|---|---|
| GB 18584-2001 | Applicable standard for formaldehyde emission limits of wooden furniture, recommended for material testing |
This product must meet the following technical requirements: 1. GB/T 3324-2017: Applicable general technical standard for wooden furniture, recommended for wood frame acceptance; 2. GB 18584-2001: Applicable standard for formaldehyde emission limits of wooden furniture, recommended for material testing; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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