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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)	640 × 660 × 1020 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.

Recommended user weight capacity	135 kg
Product net weight	16.5 kg
Back static support load	136 kg
Seat impact durability	100,000 cycles
Caster rolling durability	100,000 cycles
Tilt mechanism static load	200 kg
Recommended daily use duration	8 hours
Color options for procurement	1 visible brown colorway
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 upholstery	Brown leather-look surface over shaped cushion, material grade requiring supplier BOM confirmation
Back upholstery	Brown upholstered padded back shell with horizontal seam and stitched side borders
Seat foam	Polyurethane molded cushion, 90 mm thickness and 45 kg/m3 density target
Back foam	Polyurethane padding, 70 mm thickness and 35 kg/m3 density target
Upholstery wear layer	1.2 mm surface thickness with 50,000-cycle abrasion acceptance target
Inner seat shell	12 mm molded plywood or engineered composite seat carrier
Back inner frame	1.5 mm steel reinforcing frame inside upholstered back
Armrest frame	Polished aluminum curved loop with continuous seat-to-back support
Gas lift	Chrome-plated steel telescopic cylinder, Class 3 grade and 100 mm lift stroke target
Tilt mechanism	Black powder-coated steel tilt plate with side adjustment lever
Five-star base	Polished aluminum five-star base with 3.0 mm nominal wall section
Casters	Black nylon twin-wheel casters with 60 mm diameter and steel bearing pin

PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

Data source: Functional configuration; the supplier specification prevails.

360-degree swivel	Full rotation around the central gas-lift axis for desk and conference access
Seat height adjustment	Pneumatic lever adjustment with 100 mm lift stroke and 530 mm seat-height range
Tilt recline	Back-and-seat synchro tilt through 15 degrees with upright lock position
Tilt tension regulation	Under-seat knob adjusts recline resistance for users up to 135 kg
Fixed arm support	Rigid polished loop arms provide 230 mm forearm support without height or width adjustment
Mobile base movement	Five twin-wheel casters enable rolling on hard floors and low-pile carpet
Horizontal back seam	Back panel divides upper shoulder zone from lower lumbar zone while retaining one continuous shell
Waterfall seat edge	Rounded front cushion reduces thigh pressure during close desk approach
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 behind a 760 mm executive desk for managers requiring polished meeting-room appearance
Conference room	Deploy around boardroom tables for 4 hour meetings and visitor seating
Private home office	Suitable for professional workrooms with wooden, leather, or modern metal interior finishes
Manager workstation	Supports computer, document, and discussion tasks at a standard desk height
Reception meeting area	Pairs with executive sofas or side tables in premium visitor settings
Procurement configuration	Order together with matching brown visitor chairs for boardroom visual consistency
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 office furniture office chair dimensions	Verify seat height, seat depth, back support, and clearance against dimensional safety requirements
EN 1335-2 office chair safety requirements	Check structural safety, stability, mechanism security, and caster retention for daily office use
EN 1335-3 office chair test methods	Specify static, durability, impact, and rolling test methods for supplier batch acceptance
EN 1022 domestic furniture seating stability	Use as an additional stability reference if conference-room seating is procured across mixed spaces

STANDARD S2

North America Purchasing & Inspection Reference * ANSI/BIFMA Standards

US and Canada office-furniture standards

ANSI/BIFMA X5.1 Section 11 caster and chair base durability	Require 100,000-cycle base-and-caster durability data for high-frequency office use

STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

GB/T 10357.2 furniture mechanical stability	Applicable standards and test results require confirmation
GB/T 10357.3 furniture strength and durability	Applicable standards and test results require confirmation

Standardized tender description text

This product must meet the following technical requirements:
1. GB/T 10357.2 furniture mechanical stability: Applicable standards and test results require confirmation;
2. GB/T 10357.3 furniture strength and durability: Applicable standards and test results require confirmation;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.

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Product Description

The Mid-Back Brown Leather Executive Swivel Chair, model EC-MID-BR-AL5, presents a professional executive seating form with a brown leather-look seat and upholstered padded back. Its visual character is defined by a horizontal back seam that separates the upper shoulder area from the lower lumbar zone, stitched side borders, and polished aluminum curved-loop arms that continue visually from the seat toward the back. The arm structure sits above a polished five-star base, producing a refined contrast between warm brown upholstery and bright metallic detailing. Overall dimensions are 640 by 660 by 1020 millimeters, with 540 millimeters of clear width between the fixed armrests. Construction combines upholstery, foam, metal, and mobility components. The seat uses a shaped polyurethane molded cushion with a 90-millimeter finished cushion thickness and a 45 kilograms per cubic meter density target. The back provides 70 millimeters of polyurethane padding over a steel reinforcing frame, with a 240-millimeter lumbar support zone. The brown wear layer has a 1.2-millimeter surface thickness and a 50,000-cycle abrasion acceptance target, while the inner seat carrier is specified as molded plywood or engineered composite. Material grade for the leather-look upholstery should be confirmed through the supplier bill of materials before final specification. The chair is built around a chrome-plated steel Class 3 telescopic gas lift, a black steel mechanism, polished aluminum arms and base, and nylon twin casters. It supports full 360-degree swivel movement, pneumatic seat-height adjustment, and synchronized seat-and-back tilt through 15 degrees with an upright lock position. An under-seat knob regulates tilt resistance, and the fixed polished arms offer 230 millimeters of forearm support. The five twin-wheel casters are intended for hard floors and low-pile carpet, supporting movement around a standard desk or meeting table. Performance references include a 135-kilogram recommended user weight capacity, 8-hour recommended daily use, 100,000-cycle seat impact durability, 100,000-cycle caster rolling durability, and a 200-kilogram tilt mechanism static load rating. These features suit manager offices, executive workstations, conference rooms, reception meeting areas, and private home offices with wood, leather, or modern metal finishes. For coordinated projects, the chair can be ordered with matching brown visitor chairs to maintain boardroom consistency. Procurement teams should plan for two cartons per set, a packaged gross weight of 23 kilograms, and a reference assembly time of 40 minutes per chair. The reference carton dimensions are 850 by 420 by 720 millimeters, with a total reference carton volume of 0.26 cubic meters per set. Buyers should verify upholstery grade, component finishes, and final assembly hardware with the supplier, especially when the chairs are intended for premium client-facing spaces or standardized multi-room installations.

Mid-Back Brown Leather Executive Swivel Chair Specifications

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