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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)	730 × 826 × 1280 mm
Seat width	620 mm
Seat depth	550 mm
Seat height adjustment range	550 mm (max published value 550 mm)
Backrest height	780 mm
Five-star base diameter	700 mm
Caster diameter	50 mm
Armrest height above seat	230 mm
Backrest width	580 mm
Seat cushion thickness	120 mm
Finished Seat Cushion Thickness	90 mm
Backrest Padding Thickness	70 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.

Net weight	30 kg
Recommended user weight capacity	150 kg
Seat foam density	40 kg/m³
Foam rebound rate	55%
Leather thickness	1.0 mm
Caster static load rating per wheel	40 kg
Upholstery seam stitch pitch	8 mm
Gas lift class rating	Class 3
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	Dark brown top-grain leather with contrast stitching
Seat and back padding	High-density high-resilience polyurethane foam
Armrests and side panels	Polished mahogany-toned solid wood with lacquer finish
Five-star base	Solid mahogany-finished wood with central chrome-plated metal connector
Internal support frame	18mm thick bent plywood and solid wood framing
Gas lift cylinder	Chrome-plated cold-rolled steel, SGS/BIFMA tested
Tilt mechanism chassis	3mm thick stamped steel with multi-position lock
Caster wheels	50mm diameter PU-covered hooded casters with metal axles
Recline tension knob	Inset leather-wrapped plastic adjustment knob mounted on left side panel
Seat Internal Support Board Thickness	14 mm bent plywood or equivalent support board
Backrest Internal Frame Thickness	14 mm bent plywood/composite reinforced frame
Five-star Base Material Thickness	Metal base wall 3.5 mm; diameter 700 mm

PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

Data source: Functional configuration; the supplier specification prevails.

360-degree swivel rotation	Full rotation enabled by central gas lift and swivel bearing
Pneumatic seat height adjustment	100mm vertical travel via under-seat adjustment lever
Recline tilt function	135-degree maximum backward tilt with 4-position locking
Tilt tension adjustment	Resistance adjustable via left-side side-panel knob to match user weight
Smooth rolling mobility	Dual-wheel casters suitable for hard floors and low-pile carpet
Integrated lumbar support	Vertical quilted padded lumbar section built into backrest
Fixed arm support	Curved solid wood armrests positioned at fixed ergonomic height
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 office use	Suitable for CEO/manager private offices with formal traditional aesthetic
Conference room head seating	Appropriate for boardroom head-of-table positions requiring formal appearance
Long-duration desk work	Ergonomic padding and adjustments support 8+ hours of seated work
Traditional office interiors	Complements mahogany/wood veneer desk sets and classic office decor
Commercial office procurement	Meets standard contract furniture specifications for bulk purchasing
Hard floor environments	PU casters prevent scratching on wood, tile, or laminate flooring
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 European standard for office chair dimensions and safety requirements
EN 1335-2:2018	Applicable European standard for office chair structural strength and durability
EN 1335-3:2020	Applicable European standard for office chair test methods

STANDARD S2

North America Purchasing & Inspection Reference * ANSI/BIFMA Standards

US and Canada office-furniture standards

ANSI/BIFMA X5.1-2017	Applicable North American standard for general-purpose office chairs safety and performance
BIFMA G1-2020	Applicable ergonomic guideline for office furniture seating design

STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

GB/T 3324-2017	Applicable standard for wooden furniture general technical requirements
GB 18584-2001	Applicable standard for indoor furniture formaldehyde emission limits

Standardized tender description text

This product must meet the following technical requirements:
1. GB/T 3324-2017: Applicable standard for wooden furniture general technical requirements;
2. GB 18584-2001: Applicable standard for indoor furniture formaldehyde emission limits;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.

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Product Description

This high-back executive office chair features a formal traditional silhouette anchored by a polished mahogany solid wood five-star base, matching curved fixed armrests, and side panels finished with a smooth protective lacquer. The tall backrest rises to provide full upper body support, with a vertically quilted integrated padded lumbar section positioned to align with the natural curve of the lower spine. Dark brown top-grain leather covers the seat and backrest, accented by precise contrast stitching for a refined, polished appearance that pairs seamlessly with classic wood office furnishings.
Beneath the leather upholstery, high-density high-resilience polyurethane foam delivers consistent cushioned support, shaped over an internal frame of thick bent plywood and solid wood for stable, long-lasting structure. The central connection between seat and base uses a chrome-plated cold-rolled steel gas lift that has passed standard industry performance testing, paired with a stamped steel multi-position lock tilt mechanism. Dual-wheel PU-covered casters with metal axles mount to the wood five-star base, paired with a chrome-plated central connector for smooth, stable movement. The chair enables full 360-degree swivel rotation, pneumatic seat height adjustment, 135-degree maximum backward recline with four lockable positions, and customizable tilt tension controlled via an inset leather-wrapped knob on the left side panel, allowing users to tailor resistance to their preference. The fixed wood armrests sit at a set ergonomic height above the seat for consistent forearm support during desk work.
This chair is designed for formal professional settings, including private executive offices for leadership roles, head-of-table positions in traditional boardrooms, and workspaces furnished with mahogany or wood veneer desk sets. It supports extended seated work sessions of eight hours or more, and its soft PU casters prevent surface scratching on hard flooring including wood, tile, and laminate, while also operating smoothly on low-pile carpet.
For procurement planning, the chair ships in two cartons per set, with straightforward assembly that takes roughly 40 minutes per unit. It meets standard contract furniture specifications for bulk commercial purchasing, with a recommended user weight capacity suited for broad workplace use, and dimensions sized to fit standard executive desk configurations without crowding surrounding workspace.

High-Back Brown Leather Executive Office Chair with Mahogany Solid Wood Base Specifications

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