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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)	670 × 680 × 1040 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	19 kg
Recommended user weight	150 kg
Seat static-load verification target	227 kg
Back static-load verification target	136 kg
Gas-lift vertical stroke	100 mm
Tilt travel angle	18 degrees
Upholstery abrasion acceptance	50000 Martindale cycles
Caster rolling durability target	100000 cycles
Seating capacity	1 person
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 90 mm padded cushion
Back upholstery	Black upholstered panel with vertical channel construction
Cushion foam	Molded polyurethane foam, 45 kg/m3 seat density target
Back padding	Polyurethane back foam with 70 mm lumbar-side thickness
Arm pads	Black upholstered pads on rigid support brackets
Arm supports	Polished metal or aluminum-alloy curved arm supports
Central column	Polished metal telescopic gas lift with black release lever
Five-star base	Polished cast-aluminum five-star base with five radiating legs
Mechanism	Black steel synchro-tilt mechanism under the seat
Casters	Black twin-wheel casters with hard rolling treads
Internal frame	Steel seat pan and back support, 2.0 mm minimum target thickness
Seam construction	Vertical stitched channels with 6 stitches per 25 mm acceptance target

PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

Data source: Functional configuration; the supplier specification prevails.

360-degree swivel	Full 360-degree seat rotation around the central gas lift
Seat-height adjustment	Pneumatic lift with 100 mm travel controlled by the right under-seat lever
Synchro recline	Back reclines through 18 degrees with coordinated seat tilt
Tilt lock	Multi-position lock with upright and 3 reclined positions
Tilt tension control	Rotary tension knob adjusts resistance for users up to 150 kg
Fixed arm support	Rigid padded arms provide 230 mm seat-to-arm support without height adjustment
Mobile five-point support	Five twin-wheel casters provide rolling movement and stable support
Lumbar support	Contoured channeled back gives lumbar contact with no separately adjustable pad
Forward task posture	480 mm maximum seat depth and waterfall cushion edge support desk-facing work
Floor compatibility	Hard-tread 60 mm casters suited to carpet, with soft-wheel option for hard floors
Recline Angle / Lock Reference	125° with 3suggested lock positions
Tilt Tension User-weight Range	Reference adjustment coverage 120 kg

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 manager desk where black upholstery and a polished base suit formal interiors
Private workstation	Suitable for 8 hour desk tasks with swivel, height adjustment, and recline support
Meeting room	Suitable around conference tables where quiet rolling mobility and fixed arms are required
Professional reception	Use in consultation or visitor-facing areas requiring a tailored appearance
Home office	Suitable for a dedicated home office desk used by one adult
Flooring condition	Specify soft tread casters for hardwood or tile and hard tread casters for low-pile carpet
Color planning	Black finish coordinates with dark wood, white, gray, or metal desk systems
Recommended Matching Desk Size	2.4 m executive desk

STANDARD S1

EU Market Entry Requirements * EN Standards

EU Market Access Requirements* EN Standards

EN 1335-1 dimensions	Use office chair dimensional and determination requirements for ergonomic comparison
EN 1335-2 safety	Specify structural safety, stability, and mechanism integrity requirements
EN 1335-3 test methods	Use static, fatigue, and impact test methods for factory inspection planning
EN 1021-1 ignition resistance	Use smouldering-cigarette upholstery flammability acceptance where required

STANDARD S2

North America Purchasing & Inspection Reference * ANSI/BIFMA Standards

US and Canada office-furniture standards

ANSI/BIFMA X5.1 back strength	Specify 136 kg back static load as an engineering acceptance target

STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

GB/T 10357.2 furniture mechanical test	Apply seat and back static-load requirements for formal procurement inspection
GB/T 10357.3 furniture durability test	Use seat and back fatigue cycles as acceptance criteria for daily office use
GB 28007 seating safety	Use structural safety, stability, and harmful-element requirements as project acceptance references

Standardized tender description text

This product must meet the following technical requirements:
1. GB/T 10357.2 furniture mechanical test: Apply seat and back static-load requirements for formal procurement inspection;
2. GB/T 10357.3 furniture durability test: Use seat and back fatigue cycles as acceptance criteria for daily office use;
3. GB 28007 seating safety: Use structural safety, stability, and harmful-element requirements as project acceptance references;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.

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Product Description

The Black Vertical-Channel Mid-Back Executive Swivel Chair, model OFC-MB-VC-BLK-01, presents a formal executive profile with tailored black leather-look upholstery and a structured mid-height back. Vertical channel stitching gives the backrest a disciplined visual rhythm, while the polished cast-aluminum five-star base introduces a refined contrast that suits professional interiors. Fixed curved arms with black padded rests frame the seat and reinforce the chair’s clean, symmetrical layout. Polished arm supports and a polished telescopic central column complement the metallic base, while black twin-wheel casters maintain a coordinated appearance. Construction combines padded comfort with a supportive metal undercarriage. The seat uses molded polyurethane foam at a 45 kg/m3 density target beneath black upholstery, with a finished cushion thickness of 90 mm. The upholstered back features vertical channel construction and 70 mm polyurethane padding on the lumbar side, creating a defined 240 mm lumbar support zone. Arm pads are upholstered and mounted on rigid support brackets made from polished metal or aluminum alloy. A black steel synchro-tilt mechanism sits beneath the seat, connected to a polished metal gas lift and the polished cast-aluminum five-leg base. The upholstery has an abrasion acceptance target of 50000 Martindale cycles. Functionality is centered on adaptable seated support for desk work. The seat rotates through a full 360 degrees and adjusts pneumatically through 100 mm of travel using the right under-seat lever. Its synchro mechanism allows the back to recline through 18 degrees with coordinated seat movement, and the multi-position lock includes an upright position plus three reclined positions. A rotary tension knob adjusts recline resistance for users up to 150 kg. The fixed arms provide 230 mm of seat-to-arm support without height adjustment, and the five twin-wheel casters enable rolling mobility with five-point stability. The clear width between armrests is 540 mm. The chair is appropriate behind a manager desk, at a private workstation for eight-hour desk tasks, around conference tables, in consultation or reception settings, and in a dedicated home office used by one adult. Its black finish and polished base align with formal executive décor, while swivel, height adjustment, recline, and mobility support everyday office use. Procurement planning should account for a 19 kg chair supplied as one set in two cartons, with a packaged gross weight of 23 kg and reference assembly time of 40 minutes per set. Buyers selecting flooring-related components should specify soft tread casters for hardwood or tile and hard tread casters for low-pile carpet. Static-load verification targets are 227 kg for the seat and 136 kg for the back.

Black Vertical-Channel Mid-Back Executive Swivel Chair Specifications

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