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OFCH-MB-CNL-001

Code：241U79V1
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Mid-Back Cognac Leather Executive Swivel Office Chair with Fixed Armrests Key Specifications 2026-08-06 19:12

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OFCH-MB-CNL-001

1 active supplier(s) >>
CNYiankang FurnitureSupplierYear 1Company Profile
Product supplierMid-Back Cognac Leather Executive Swivel Office Chair with Fixed Armrests，Multiple layers
Contact the supplier for production scheduling and quotation.
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PRODUCT MODULE 01 / 06

Physical Dimensions

Automatic mm / inch conversion · Core engineering specifications

Overall dimensions660 x 680 x 1080 mm
Seat width510 mm
Seat depth480 mm
Seat height range510 mm
Backrest height640 mm
Backrest width490 mm
Fixed armrest height above seat230 mm
Armrest pad length280 mm
5-star base radius340 mm
Caster diameter60 mm
Seat front edge thickness80 mm
Backrest side panel thickness18 mm
Finished Seat Cushion Thickness90 mm
Backrest Padding Thickness70 mm
Lumbar Support Zone Height240 mm
Clear Width Between Armrests540 mm
PRODUCT MODULE 02 / 06

Weight, Load & Performance

Net weight / load capacity / users / durability

Product net weight21 kg
Maximum static user weight capacity150 kg
Seat foam density55 kg/m³
Backrest foam density45 kg/m³
Tilt mechanism dynamic load rating136 kg
Caster rolling durability100000 cycles
Gas lift cycle rating120000 cycles
Recommended maximum daily usage duration8 hours
Seat foam core density55 kg/m³
Backrest foam core density45 kg/m³
PRODUCT MODULE 03 / 06

Materials & Structure

Core acceptance fields · Panels / hardware / frame / upholstery

Seat upholsteryTop-grain cognac brown leather with edge stitching
Backrest upholsteryTop-grain cognac brown leather with matching edge stitching
Backrest outer shellMatte light gray rigid molded composite panel
Armrest padsSolid wood with cognac brown finish matching upholstery
Armrest support bracketsPolished die-cast aluminum alloy with brushed silver finish
Seat underframe shellMatte light gray rigid molded composite panel
Tilt mechanism3mm thick powder-coated black steel plate
Height adjustment gas lift50mm diameter Class 3 chrome-plated steel gas lift
5-star basePolished die-cast aluminum alloy with brushed silver finish
Casters60mm diameter black hard nylon dual-wheel casters
Seat cushion coreHigh-resilience polyurethane foam with curved waterfall front edge
Backrest coreContoured high-resilience polyurethane foam
PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

Seat height adjustmentPneumatic height adjustment across 80mm stroke via side lever, adjusts from 430mm to 510mm seat height
Backrest tilt functionSynchronized tilt allowing 12-degree back recline with 3-degree matching seat tilt, lockable in upright position
360-degree swivel rotationFull rotating seat and back assembly around central gas lift axis
Fixed armrest supportNon-adjustable height fixed armrests providing stable forearm support at 230mm above seat surface
Caster mobilityDual-wheel casters allowing omnidirectional movement on hard floors and low-pile carpet, 360-degree swivel per caster
Waterfall seat edge designCurved front seat edge reducing pressure on popliteal blood vessels during extended sitting
Contoured mid-back supportErgonomic back curvature aligned to lumbar spine, providing support from lumbar region to mid-shoulder
Tilt tension adjustmentRotary knob under seat adjusting tilt resistance to match user weight between 50kg and 150kg
Omnidirectional caster mobilityDual-wheel casters allowing free omnidirectional movement on hard floors and low-pile carpet, each caster swivels 360 degrees
Recline Angle / Lock Reference125° with 3suggested lock positions
Tilt Tension User-weight RangeReference adjustment coverage 120 kg
Rotation / Mobility Configuration360° swivel with 5-caster multidirectional movement
PRODUCT MODULE 05 / 06

Packaging & Logistics

Verified carton / gross weight / assembly / loading data

Number of shipping cartons1
Shipping carton dimensions720 x 680 x 580 mm
Gross shipping weight25 kg
Shipping volume per unit0.284 CBM
Assembly time per unit20 minutes
20ft GP container loading quantity105 units
40ft HQ container loading quantity260 units
Reference Package Count1 set / 2 cartons
Reference Assembly Time40 minutes per set
Reference Carton Dimensions850× 420× 720 mm
PRODUCT MODULE 06 / 06

Applications & Usage

Recommended spaces / users / usage modes

Executive private office useSuitable for director and executive private offices, premium cognac leather and polished aluminum finish matches high-end wood office desk setups
Corporate boardroom and meeting room useSuitable for formal boardrooms and client meeting rooms, fixed armrests and sleek profile provide professional appearance and guest comfort
Home office premium workspace useSuitable for high-end home offices, durable leather construction and ergonomic support accommodate remote work and video conference use
Executive workstation open plan useSuitable for senior management workstations in open plan offices, swivel and mobility function allows easy collaboration with adjacent team members
Height compatibilityPairs with 760 mm high standard office desks and executive writing tables, adjustable seat height ensures correct ergonomic typing posture
Floor surface compatibilityNylon casters suitable for hard wood, tile, and low-pile carpet office floors; soft tread casters available as option for high-pile carpet
Recommended user demographicDesigned for adult users 155cm to 190cm tall, mid-back support and seat dimensions accommodate a wide range of body types within 150kg weight capacity
Senior management open plan workstation useSuitable for senior management workstations in open plan offices, 360-degree swivel and caster mobility allows easy collaboration with adjacent team members without chair repositioning
STANDARD S1

EU EN Standards

European market access and chemical requirements

Office chair strength and durability requirementEN 1335:2009 Office furniture - Office work chairs - Part 2: Safety requirements, 1100N static seat load test without structural failure
Upholstery fabric abrasion requirementEN 14465:2004 Upholstery fabrics - Specification and test methods, minimum 50000 Martindale cycles abrasion resistance
Caster durability requirementEN 12529:1998 Castors and wheels - Castors for furniture - Castors for swivel chairs, 100000 cycle rolling test without failure
Ergonomic dimensional requirementEN 1335:2000 Office furniture - Office work chairs - Part 1: Dimensions, seat depth 470 mm adjustable or fixed with appropriate thigh clearance
STANDARD S2

North America ANSI/BIFMA Standards

US and Canada office-furniture standards

General office chair safety requirementANSI/BIFMA X2017Office Chairs - Tests, minimum 136kg static seat load rating without structural failure
Base static load requirementANSI/BIFMA X2017Clause 18 Five-star base static load test, 1136kg vertical static load without fracture
Caster durability requirementANSI/BIFMA X2017Clause 12 Caster durability test, 98000 cycle rolling obstruction test without component failure
Tilt mechanism cycle requirementANSI/BIFMA X2017Clause 8 Backrest tilt cycle test, 300000 tilt cycles without mechanism failure
STANDARD S3

China GB Standards

Standards applicable to China-market projects

Seat height adjustability requirementGB/T 3326General technical requirements for office furniture: chairs, seat height range 440 mm minimum to 560 mm maximum
Stability requirementGB/T 10357.2Furniture mechanical performance test: chair stability, no tipping under 600N forward and lateral static load
Upholstery leather durability requirementGB/T 16799Furniture leather, minimum 50000 double rubs abrasion resistance for heavy use office furniture
Metal coating adhesion requirementGB/T 1979Paint film adhesion test, minimum Grade 1 adhesion for metal frame and base coatings
Standard Tender Description
This product must meet the following technical requirements:
1. Seat height adjustability requirement: GB/T 3326General technical requirements for office furniture: chairs, seat height range 440 mm minimum to 560 mm maximum;
2. Stability requirement: GB/T 10357.2Furniture mechanical performance test: chair stability, no tipping under 600N forward and lateral static load;
3. Upholstery leather durability requirement: GB/T 16799Furniture leather, minimum 50000 double rubs abrasion resistance for heavy use office furniture;
4. Metal coating adhesion requirement: GB/T 1979Paint film adhesion test, minimum Grade 1 adhesion for metal frame and base coatings;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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PDF · OFCH-MB-CNL-001

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Product Overview & Construction Details

The Yiankang Mid-Back Cognac Leather Executive Swivel Office Chair (model OFCH-MB-CNL-001) presents a refined, professional silhouette anchored by a polished brushed silver five-star base and matching die-cast aluminum armrest brackets. Its top-grain cognac brown leather upholstery features clean edge stitching across both the seat and contoured mid-back, paired with a matte light gray rigid composite outer shell for the backrest and seat underframe, and fixed wooden armrest pads finished to match the leather. The chair’s aligned seat and back proportions create a streamlined, formal profile suited to premium work environments. Construction balances durability and comfort, with a powder-coated steel synchronized tilt mechanism, Class 3 chrome-plated steel gas lift, and high-resilience polyurethane foam cores: the seat uses denser foam with a 90mm finished cushion thickness and curved waterfall front edge, while the backrest uses medium-firm contoured foam with a dedicated lumbar support zone. Hard nylon dual-wheel casters attach to the reinforced aluminum base for stable movement. Functional features support full workday use, including pneumatic seat height adjustment to align with standard desk heights, a lockable synchronized tilt with customizable tension control, full 360-degree swivel rotation, and omnidirectional caster mobility suitable for hard floors and low-pile carpet. The fixed armrests sit at a height aligned for relaxed forearm support during typing and meetings, while the waterfall seat edge reduces thigh pressure, and the contoured mid-back delivers targeted support from the lumbar region to the mid-shoulder to reduce slouching and fatigue. The chair is well suited for executive private offices paired with high-end wood desks, formal corporate boardrooms and client meeting spaces, premium home office setups, and senior management workstations in open-plan offices, where its mobility supports easy cross-team collaboration. For procurement, teams should note the chair ships in knock-down configuration, with on-site assembly required. Final material grades for leather, composite shells, and armrest pads require bill of materials confirmation prior to bulk order. Optional soft-tread casters are available for high-pile carpet installations, and the chair is rated to support up to 8 hours of daily commercial use, with container loading s available for large-scale project planning.

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