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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 × 680 × 1010 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	150 kg
Net weight	18 kg
Foam density, seat	45 kg/m3
Foam density, backrest	35 kg/m3
Back tilt angle	15 degrees
Seat rotation	360 degrees
Gas-lift cycles	100,000 cycles
Caster rolling durability	100,000 cycles
Warranty	36 months
Seat Foam Density / Rebound Reference	45 kg/m³ / 65%

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	Black leather-look upholstery over contoured foam, visible smooth grain and edge piping
Backrest upholstery	Black padded upholstery with raised lumbar panel and vertical side pleats
Seat cushioning	Molded polyurethane foam with 80 mm maximum seat thickness
Back cushioning	Layered polyurethane foam with 70 mm lumbar-zone thickness
Internal seat board	12 mm plywood or composite load board under the cushion
Back support frame	20 mm tubular steel or formed steel inner frame behind the upholstery
Five-star base	Polished chrome-plated steel or aluminum five-star base with five cantilever legs
Gas lift cover	Polished chrome telescopic sleeve enclosing the central height column
Arm supports	Polished chrome-plated metal cantilever supports bolted beneath the seat
Arm pads	Dark wood-tone rigid pads with smooth black-edged tops
Casters	Black nylon twin-wheel casters with metal mounting stems
Mechanism housing	Black painted steel tilt mechanism below the seat with exposed adjustment lever

PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

Data source: Functional configuration; the supplier specification prevails.

Pneumatic seat-height adjustment	Side lever raises or lowers the seat through a 100 mm stroke using the central gas lift
360-degree swivel	Central bearing allows full rotation without moving the base
Back tilt support	Tilt mechanism allows up to 15 degrees rearward movement for relaxed seating
Tension adjustment	Under-seat knob controls recline resistance for users up to 150 kg
Fixed padded armrests	Bolted chrome arms provide static elbow support at 230 mm above the seat
Mobile base	Five 50 mm twin-wheel casters provide omnidirectional movement on office floors
Lumbar support	Contoured raised central back panel contacts the lower-back region
Recline lock	Single-position upright lock secures the back for task work
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	Suits managers and directors requiring formal black upholstery and wood-tone arm accents
Conference room	Provides mobile swivel seating for meetings around boardroom tables 760 mm high
Private workstation	Supports daily computer and desk work with full swivel, casters, and height adjustment
Reception meeting area	Creates a professional visitor seating look in corporate reception rooms
Home office	Fits users wanting a commercial-style chair in a dedicated study or executive home office
Commercial procurement standardization	Suitable for batch purchasing where identical black finish and chrome bases are required
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

Office furniture safety reference	EN 1335:2018
Office furniture dimensional reference	EN 1335:2020
Office furniture stability and structure	EN 1335:2020
Formaldehyde emission from wood-based panels	EN 13986

STANDARD S2

North America Purchasing & Inspection Reference * ANSI/BIFMA Standards

US and Canada office-furniture standards

Office chair safety and durability	ANSI/BIFMA X2017
Upholstered furniture durability	BIFMA e2019
Caster and base integrity	ANSI/BIFMA X2017clauses for base, caster, and cyclic load tests

STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

Office chair safety applicability	GB/T 28004.1
Furniture mechanical and surface durability	GB/T 10357.3
Upholstered furniture chemical evaluation	GB/T 26172

Standardized tender description text

This product must meet the following technical requirements:
1. Office chair safety applicability: GB/T 28004.1;
2. Furniture mechanical and surface durability: GB/T 10357.3;
3. Upholstered furniture chemical evaluation: GB/T 26172;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.

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Product Description

The Mid-Back Black Leather Executive Swivel Chair is a formal executive office chair with a tailored black exterior, polished chrome structure, and dark wood-tone arm accents. Its mid-height backrest combines padded upholstery, a raised lumbar panel, and vertical side pleats, creating a structured appearance suited to professional settings. The seat uses black leather-look upholstery over contoured foam, with a smooth visible grain and defined edge piping. Polished chrome-plated metal cantilever arm supports are bolted beneath the seat and finished with dark wood-tone pads, while the chrome telescopic sleeve around the gas lift visually connects the seat to the five-star base. The base uses five cantilever legs in polished chrome-plated steel or aluminum and is fitted with nylon twin-wheel casters. Cushioning is built around molded polyurethane foam in the seat and layered polyurethane foam in the backrest, supported by a plywood or composite load board and a tubular or formed steel inner back frame. Functionally, the chair supports pneumatic seat-height adjustment through a side lever, full 360-degree swivel from a central bearing, and a back tilt of up to 15 degrees. An under-seat tension knob controls recline resistance, and the fixed padded armrests provide static elbow support. The contoured raised central back panel is positioned to contact the lower-back region, while the caster base allows omnidirectional movement across office floors. This model is appropriate for executive offices, manager and director rooms, conference spaces, private workstations, and corporate reception meeting areas. It also suits a dedicated study or executive-style home office where a commercial appearance is preferred. For standardized procurement, the consistent black upholstery, chrome base, and matching wood-tone arm detail make the chair suitable for batch purchasing across multiple rooms or floors. Buyers should note the model is unbranded and supplied as one set across two cartons, with assembly required. Overall dimensions are 640 by 680 by 1010 millimeters, recommended user weight capacity is 150 kilograms, and packaged gross weight is 23 kilograms per set. These details should be checked against desk height, room layout, delivery access, storage space, and assembly planning before ordering.

Mid-Back Black Leather Executive Swivel Chair Specifications

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