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PRODUCT MODULE 01 / 06

Physical Dimensions

Automatic mm / inch conversion · Core engineering specifications

Data source: Structured from factory data; final measured values prevail.

Overall dimensions (W × D × H)	700 × 700 × 1270 mm
Seat width	520 mm
Seat depth	540 mm
Maximum seat height (top of gas lift range)	540 mm
Maximum armrest height (at highest seat position)	730 mm
Backrest height	750 mm
Backrest width	520 mm
Five-star base diameter	700 mm
Caster wheel diameter	50 mm
Seat cushion thickness	120 mm
Backrest padding thickness	80 mm
Finished Seat Cushion Thickness	90 mm
Lumbar Support Zone Height	240 mm
Clear Width Between Armrests	540 mm

PRODUCT MODULE 02 / 06

Weight, Load & Performance

Net weight / load capacity / users / durability

Data source: Product performance data; verify exact test conditions before procurement.

Recommended maximum user weight	159 kg
Chair net weight	28 kg
Caster rolling durability rating	40000 cycles
Seat foam density	45 kg/m³
Foam rebound rate	60%
Upholstery abrasion resistance (Martindale)	50000 cycles
Standard warranty period	5 years
Available color options	6
Seat Foam Density / Rebound Reference	45 kg/m³ / 65%
Back Foam Density Reference	38 kg/m³

PRODUCT MODULE 03 / 06

Materials & Structure

Core acceptance fields · Panels / hardware / frame / upholstery

Data source: Subject to the factory material list and inspection report.

Seat and back upholstery	Top-grain dark brown leather with matching contrast stitching
Armrest construction	Solid mahogany-finish hardwood with polished clear lacquer topcoat
Five-star base	Solid hardwood with mahogany stain, steel-reinforced center hub
Internal seat core	15mm thick plywood seat pan with steel corner brackets
Cushion padding	High-density polyurethane molded foam, flame-retardant treated
Caster wheels	Dual-wheel nylon with soft polyurethane tread, floor-friendly hooded design
Stitching details	Heavy-duty bonded polyester thread, 8 stitches per inch seam pitch
Side control knob finish	Matte black plastic/metal tilt tension adjustment dial
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

PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

Data source: Functional configuration; the supplier specification prevails.

Seat height adjustment	Class 3 pneumatic gas lift, 120mm vertical travel, side lever operation
Swivel function	360-degree full rotation with sealed ball-bearing swivel joint
Tilt recline function	Spring-loaded tilt mechanism, 15-degree maximum back recline, tension adjustment knob
Tilt lock function	Upright position locking lever secures chair in fixed working posture
Mobility function	Five dual-wheel casters support smooth rolling on carpet and hard flooring
Ergonomic support	Contoured integrated headrest and built-in lumbar padding for spinal alignment
Fixed armrest design	Curved wood armrests positioned at desk working height for forearm support
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

PRODUCT MODULE 05 / 06

Packaging & Logistics

Verified carton / gross weight / assembly / loading data

Data source: Reference for export quotations and container planning.

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

PRODUCT MODULE 06 / 06

Applications & Usage

Recommended spaces / users / usage modes

Data source: Recommended applications based on product form and category.

Executive private office	Suitable for C-suite and manager workstations with traditional office aesthetic
Conference meeting rooms	Appropriate for boardroom seating with professional, authoritative appearance
Traditional style office interiors	Ideal for spaces with mahogany wood trim and classic dark wood furniture collections
Long-duration desk work	Supports 8+ hour seated work with padded support and ergonomic adjustability
Hard and soft flooring environments	Floor-friendly casters operate safely on carpet, hardwood, and tile office floors
Recommended Matching Desk Size	2.4 m executive desk
Reference Daily Use Duration	8 hours/day; confirm by ergonomic testing

STANDARD S1

EU Market Entry Requirements * EN Standards

EU Market Access Requirements* EN Standards

EN 1335-1:2020	Applicable standard for office chair dimensional and safety requirements
EN 1335-2:2018	Applicable standard for office chair structural strength and durability testing
EN 1022:2018	Applicable standard for seating stability testing

STANDARD S2

North America Purchasing & Inspection Reference * ANSI/BIFMA Standards

US and Canada office-furniture standards

ANSI/BIFMA X5.1-2017	Applicable standard for general-purpose office chair safety and performance
ANSI/BIFMA X5.11-2015	Applicable standard for heavy-duty office seating load requirements

STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

GB/T 3326-2016	Applicable standard for office furniture chair dimensional stability and strength testing
GB 20210-2006	Applicable standard for fire safety of upholstered office seating materials
GB/T 10357.3-2013	Applicable standard for chair static and impact load testing

Standardized tender description text

This product must meet the following technical requirements:
1. GB/T 3326-2016: Applicable standard for office furniture chair dimensional stability and strength testing;
2. GB 20210-2006: Applicable standard for fire safety of upholstered office seating materials;
3. GB/T 10357.3-2013: Applicable standard for chair static and impact load testing;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.

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Product Description

The Dark Brown Leather High-Back Swivel Executive Office Chair (model EXEC-MAH-LEA-001, unbranded) is a traditional-style executive seating solution designed for professional workspace use. Its elevated high-back silhouette features rich dark brown top-grain leather upholstery accented by matching contrast stitching set in heavy-duty bonded polyester thread at 8 stitches per inch seam pitch, paired with polished mahogany-finish wood components for a cohesive, authoritative aesthetic. The curved fixed mahogany armrests, five-star stained hardwood base with steel-reinforced center hub, and contoured integrated headrest create a balanced, classic profile that aligns seamlessly with traditional office interiors. Construction centers on a steel-reinforced internal frame paired with a 15mm plywood seat pan fitted with steel corner brackets, layered with flame-retardant treated high-density molded polyurethane foam for consistent, long-lasting padding. Armrests are formed from solid mahogany-finish hardwood sealed with a polished clear lacquer topcoat, while dual-wheel nylon casters with soft polyurethane treads feature a floor-friendly hooded design. A matte black side control dial manages tilt tension, and all moving components include a sealed ball-bearing swivel joint and Class 3 pneumatic gas lift for reliable operation. Core functional features support flexible, ergonomic seated work: 360-degree swivel rotation, 120mm of vertical seat height adjustment via side lever, a spring-loaded tilt mechanism with 15-degree maximum back recline, an upright position tilt lock for fixed working postures, and smooth caster mobility across carpet, hardwood, and tile surfaces. Built-in contoured lumbar padding supports spinal alignment for 8+ hours of continuous desk work. This chair is suited for C-suite and manager private offices, formal boardroom conference spaces, and traditional interiors featuring mahogany wood trim and classic dark wood furniture; it pairs optimally with 2.4 m executive desks. Procurement teams should note the chair ships as one set across two cartons, with a 40-minute per-set assembly time, a 5-year standard warranty, 159 kg maximum recommended user weight, and a 20GP loading capacity of 135 sets at 85% space utilization. Final fixed dimensions measure 700 x 700 x 1270 mm, with a 520 mm wide seat, 540 mm deep seat, 750 mm tall backrest, and 540 mm maximum seat height at the top of the gas lift range. Caster rolling durability is rated for 40000 cycles, upholstery abrasion resistance reaches 50000 Martindale cycles, and seat foam carries a 45 kg/m³ density with 60% rebound rate, ensuring long-term performance in high-use professional settings.

Dark Brown Leather High-Back Swivel Executive Office Chair with Mahogany Wood Arms Specifications

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