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OC-MB-RIB-001

Code：YM7C3HV1
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Mid-Back Ribbed Upholstered Executive Office Chair with Polished Aluminum Arms and Base Key Specifications 2026-08-02 10:51

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OC-MB-RIB-001

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PRODUCT MODULE 01 / 06

Physical Dimensions

Automatic mm / inch conversion · Core engineering specifications

Overall dimensions680 x 680 x 1100 mm
Seat width520 mm
Seat depth500 mm
Seat height range (floor to top of seat)540 mm
Backrest height (top of seat to top of back)620 mm
Backrest width500 mm
Armrest height (top of arm to top of seat)210 mm
5-star base diameter660 mm
Caster diameter50 mm
Armrest length320 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

Recommended maximum user weight120 kg
Net weight reference18 kg
Foam density (seat cushion)45 kg/m³
Foam thickness (seat cushion)100 mm
Upholstery abrasion resistance reference100000 cycles
Gas lift cycle life reference100000 cycles
Seat foam density45 kg/m³
Backrest foam density35 kg/m³
Upholstery Martindale abrasion resistance100000 cycles
Gas lift cycle life100000 cycles
PRODUCT MODULE 03 / 06

Materials & Structure

Core acceptance fields · Panels / hardware / frame / upholstery

Seat and back upholsteryLight gray matte faux leather with horizontal ribbed stitching pattern
Seat and back paddingHigh-resilience polyurethane foam core wrapped with non-woven liner
Internal seat framePlywood or steel inner support frame with molded foam foundation
Armrests and back support framePolished cast aluminum fixed arm structure connecting seat to back side rails
Height adjustment gas liftChrome-plated steel pneumatic cylinder with black plastic control housing
5-star basePolished aluminum 5-leg base with ribbed upper surface
CastersBlack nylon twin-wheel casters with chrome mounting stems
Stitching detailsEven horizontal stitched ribs across backrest and seat front edge
Seat padding coreHigh-resilience molded polyurethane foam with 45 kg/m³ density, wrapped with non-woven fabric liner
Backrest padding coreHigh-resilience cut polyurethane foam with 35 kg/m³ density, wrapped with non-woven fabric liner
Armrest and back support framePolished cast aluminum fixed arm structure connecting seat to back side rails, integrated load-bearing design
Stitching threadHigh-tensile polyester thread with uniform 8 mm stitch pitch for horizontal rib seams
PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

Seat height adjustmentPneumatic height adjustment via side-mounted lever, with 100 mm total travel range
360-degree swivelFull continuous rotation around central gas lift axis, supported by precision bearing
Tilt mechanismSynchro or center-tilt mechanism with adjustable tension and lockable upright position
Fixed armrest supportRigid stationary armrests integrated into side frame, providing elbow support at fixed 210 mm height above seat
Mobility5 dual-wheel casters for smooth rolling on hard and carpeted office floors
Weight distribution5-point base geometry evenly distributes 120 kg maximum user load across floor contact points
Seat tilt functionCenter-tilt mechanism with adjustable spring tension and 1 lockable upright position, maximum 12 degree backward tilt angle
Floor mobility5 dual-wheel nylon casters for smooth rolling on hard and low-pile carpeted office floors, supporting 360-degree directional movement
Load distribution5-point base geometry evenly distributes 120 kg maximum user load across 5 floor contact points to reduce floor pressure
Tilt tension adjustmentRotary knob under seat adjusts tilt mechanism spring tension to match user body weight, with 5 levels of resistance adjustment
Recline Angle / Lock Reference125° with 3 suggested lock positions
Tilt Tension User-weight RangeReference adjustment coverage 120 kg
PRODUCT MODULE 05 / 06

Packaging & Logistics

Verified carton / gross weight / assembly / loading data

Packing configuration1 chair per carton, flat-packed disassembled with back, seat, base, gas lift, arms and hardware separately bagged
Carton dimensions820 x 620 x 420 mm
Gross weight per carton21 kg
Volume per carton (CBM)0.214 CBM
Assembly time30 minutes
20ft container loading quantity260 units
Assembly time (single person)30 minutes
40ft HQ container loading quantity620 units
Reference Package Count1 set / 2 cartons
Reference Assembly Time40 minutes per set
PRODUCT MODULE 06 / 06

Applications & Usage

Recommended spaces / users / usage modes

Private executive officesSuitable for manager and director workstations, pairing with L-shaped executive desks to deliver a premium professional aesthetic
Conference and meeting roomsIdeal for conference table seating around 12-person boardroom tables, providing ergonomic support for 4 hour meetings
Open-plan workstationsSuitable for premium hot-desking and assigned task stations in high-end co-working or corporate office spaces
Reception and visitor areasAppropriate for visitor seating outside executive suites and in upscale reception lounges
Home office premium setupsSuitable for professional home workspaces requiring commercial-grade build quality and executive styling
Training and seminar roomsSuitable for premium training facility seating with adjustable height to accommodate different user groups
Recommended Matching Desk Size2.4 m executive desk
Reference Daily Use Duration8 hours/day; confirm by ergonomic testing
STANDARD S1

EU EN Standards

European market access and chemical requirements

EN 1335-1:2020 Office furniture - Office chairs - Part 1: DimensionsReference standard for ergonomic dimensional requirements of office task chairs
EN 1335-2:2019 Office furniture - Office chairs - Part 2: Safety requirementsApplicable for structural safety, stability and component strength validation
EN 1335-3:2019 Office furniture - Office chairs - Part 3: Test methodsReference test procedure for durability, strength and stability performance verification
STANDARD S2

North America ANSI/BIFMA Standards

US and Canada office-furniture standards

ANSI/BIFMA X5.1-2017 General-Purpose Office ChairsApplicable for safety, durability and structural performance testing of commercial office task chairs
BIFMA e3-2020 Furniture Sustainability StandardReference for sustainability and emissions compliance in commercial furniture procurement
STANDARD S3

China GB Standards

Standards applicable to China-market projects

GB/T 38051-2019 Office Furniture - Office ChairsApplicable for general safety, strength and durability testing of swivel office chairs used in commercial office environments
GB/T 3324-2017 General Technical Requirements for Wooden FurnitureReference for internal wood-based frame components if plywood structure is used in seat pan
GB 18401-2010 National General Safety Technical Code for Textile ProductsApplicable for upholstery fabric/leather hazardous substance limits for direct skin contact surfaces
GB/T 10000-1988 Human dimensions of Chinese adultsReference for ergonomic dimensional design to fit Chinese adult user groups
Standard Tender Description
This product must meet the following technical requirements:
1. GB/T 38051-2019 Office Furniture - Office Chairs: Applicable for general safety, strength and durability testing of swivel office chairs used in commercial office environments;
2. GB/T 3324-2017 General Technical Requirements for Wooden Furniture: Reference for internal wood-based frame components if plywood structure is used in seat pan;
3. GB 18401-2010 National General Safety Technical Code for Textile Products: Applicable for upholstery fabric/leather hazardous substance limits for direct skin contact surfaces;
4. GB/T 10000-1988 Human dimensions of Chinese adults: Reference for ergonomic dimensional design to fit Chinese adult user groups;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
GENERATED EXPORTS

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Technical Report PDF

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PDF · OC-MB-RIB-001

Complete Parameter Workbook

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XLSX · OC-MB-RIB-001

International Listing Template

English title, specifications, materials, standards and purchasing fields.

XLSX · LISTING

Customs Declaration Data

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CUSTOMS · OC-MB-RIB-001Open Export Tool

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Product Overview & Construction Details

GUOYOU’s OC-MB-RIB-001 mid-back executive office chr presents a sleek, tlored silhouette defined by light gray matte faux leather upholstery accented with uniform horizontal ribbed stitching across the backrest and front edge of the seat. Its polished aluminum frame, fixed armrests, and 5-star base deliver a refined metallic contrast that balances professional sophistication with modern design, creating a cohesive visual profile suited to elevated work environments. The mid-back structure aligns with ergonomic support proportions without overwhelming compact work surfaces. Constructed with high-resilience polyurethane foam padding — featuring 45 kg/m³ density in the seat core and 35 kg/m³ density in the backrest — the chr delivers consistent cushioning wrapped in a non-woven liner for structural integrity. The upholstery is commercial-grade faux leather with a Martindale abrasion resistance rating of 100000 cycles, built to withstand regular use. A polished cast aluminum fixed arm structure connects the seat to the back side rls for integrated load-bearing support, while the central chrome-plated steel pneumatic height cylinder prs with a polished aluminum 5-leg base fitted with black nylon twin-wheel casters. Internal seat support relies on standard upholstered chr framing with a molded foam foundation. Functional features include pneumatic seat height adjustment via a side-mounted lever, full 360-degree swivel supported by precision bearings, and a center-tilt mechanism with adjustable spring tension and a lockable upright position. Fixed armrests provide stable elbow support at a consistent height above the seat, and dual-wheel casters enable smooth rolling across hard and low-pile carpeted floors. The 5-point base geometry distributes a maximum recommended user load of 120 kg evenly across floor contact points to reduce surface pressure. This chr fits seamlessly across a range of commercial and residential settings. It is well-suited for private executive offices pred with executive desks, conference rooms around large boardroom tables, and premium open-plan workstations or co-working spaces. It also works effectively in upscale reception and visitor areas, premium trning and seminar rooms, and professional home office setups with standard-sized desks. Its neutral light gray finish integrates with most office color palettes, while the mid-back design fits under standard desk aprons. For procurement planning, the chr ships flat-packed, one unit per carton, with all components individually bagged for streamlined single-person assembly using included tools. Procurement teams should confirm exact material specifications, structural load ratings, and caster floor suitability directly with the supplier to align with specific project requirements.

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