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OC-MB-001

Code：PNCZ3AV1
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Black Mid-Back Executive Office Chair with Upholstered Seat and Back Key Specifications 2026-08-02 11:48

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OC-MB-001

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PRODUCT MODULE 01 / 06

Physical Dimensions

Automatic mm / inch conversion · Core engineering specifications

Overall dimensions (W x D x H)650 x 620 x 1050 mm
Seat width500 x 480 mm
Seat height range540 mm
Backrest dimensions (W x H)500 x 600 mm
Backrest thickness80 mm
Seat cushion thickness90 mm
Armrest height from seat200 mm
Armrest pad size250 x 80 mm
5-star base diameter620 mm
Caster diameter50 mm
Seat depth480 mm
Backrest width500 mm
Backrest height600 mm
Armrest pad length250 mm
Armrest pad width80 mm
Finished Seat Cushion Thickness90 mm
PRODUCT MODULE 02 / 06

Weight, Load & Performance

Net weight / load capacity / users / durability

Net weight15 kg
Recommended maximum user weight120 kg
Seat foam density45 kg/m³
Back foam density35 kg/m³
Gas lift static load rating150 kg
5-star base static load1000 kg
Caster rolling durability100000 cycles
5-star base static load rating1000 kg
Upholstery abrasion resistance20000 cycles
Backrest tilt tension adjustment range6 levels
PRODUCT MODULE 03 / 06

Materials & Structure

Core acceptance fields · Panels / hardware / frame / upholstery

Seat and back upholsteryBlack faux leather (PVC/PU blend face with fabric backing
Seat cushion coreMolded high-density polyurethane foam
Internal seat framePlywood + steel reinforcing frame
Armrest assemblyBlack hard plastic (PP) arm structure with integrated top pad
Gas lift cylinderChrome-plated steel gas spring
5-star baseBlack nylon (PA) reinforced with glass fiber
CastersBlack polyurethane (PU) tread with plastic housing
Tilt mechanismBlack steel synchro-tilt plate
StitchingSynthetic thread upholstery stitching
Backrest cushion coreMolded medium-density polyurethane foam with integrated lumbar pad, contoured shape
Upholstery stitchingHigh-strength polyester thread lock-stitch construction, 5 stitches per cm
Seat Internal Support Board Thickness14 mm bent plywood or equivalent support board
PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

Seat height adjustment100 mm vertical stroke via pneumatic gas lift, operated by left-side lever
Backrest tilt12 degree backward tilt angle with lock function
360-degree swivelFull 360-degree rotation around central gas lift axis
Mobile base casters5 dual-wheel PU casters for smooth rolling on hard and carpeted floors
Lumbar supportBuilt-in padded lumbar panel
Fixed armrestsStationary T-shaped arm supports at fixed height from seat
Backrest tilt function12 degree maximum backward tilt angle with upright position lock, tension adjustable via 6-position rotary knob under seat center
360-degree swivel functionFull 360-degree continuous rotation around central gas lift axis
Mobile caster base5 dual-wheel 50 mm diameter PU casters with 360-degree swivel housings, non-marking tread
Integrated lumbar supportFixed-position padded lumbar panel on lower backrest, 80 mm thick at support point
Fixed armrest supportStationary T-shaped arm supports set 200 mm above seat surface, 250 mm long arm pads
Tilt mechanism plate width180 mm
PRODUCT MODULE 05 / 06

Packaging & Logistics

Verified carton / gross weight / assembly / loading data

Packing configuration1 piece per carton, flat-pack knock-down
Carton dimensions650 x 520 x 350 mm
Gross weight per carton17 kg
Volume per carton (CBM)0.118 m³
Assembly time30 minutes
20ft container loading quantity160 pieces
Reference Package Count1 set / 2 cartons
Reference Assembly Time40 minutes per set
Reference Carton Dimensions850× 420× 720 mm
Reference Packaged Gross Weight23 kg/set
PRODUCT MODULE 06 / 06

Applications & Usage

Recommended spaces / users / usage modes

Executive office suitesSuitable for private manager and executive office rooms as primary task and guest seating
Conference and meeting roomsAppropriate for conference table seating for extended meeting attendees
Home office workstationsSuitable for home office desks for daily computer work
Reception and visitor areasWorks as visitor seating in reception and waiting areas
Open-plan workspacesCompatible with open office bench desks for regular full-time employees
Executive private officesSuitable for manager and C-suite private office suites as primary task seating
Conference meeting roomsAppropriate for conference table seating for attendees of 4 hour meetings
Corporate reception areasWorks as visitor seating in corporate reception and waiting zones
STANDARD S1

EU EN Standards

European market access and chemical requirements

EN 1335-1:2020Office furniture - Office chairs - Part 1: Dimensions - Determination of dimensions
EN 1335-2:2019Office furniture - Office chairs - Part 2: Safety requirements
EN 1022:2021Furniture - Seating - Test methods for the determination of stability of all seating
EN 1523-1:2021Furniture - Seating - Test methods for the determination of strength and durability of office chairs and office stool chairs
STANDARD S2

North America ANSI/BIFMA Standards

US and Canada office-furniture standards

ANSI/BIFMA X5.1-2017Office Chairs - Tests
ANSI/BIFMA X5.5-2020Office Task Chairs - Ergonomic Guidelines
STANDARD S3

China GB Standards

Standards applicable to China-market projects

GB/T 3326-2016Furniture - Seating - Test methods for determination of stability, strength and durability
GB/T 14530-2008Furniture - Office chairs - Safety requirements for flammability of upholstered parts
GB 18580-2017Formaldehyde emission limits for interior decoration materials - Wood-based panels and products
GB/T 26175-2010Office furniture - Office chairs - Mechanical and structural safety requirements
Standard Tender Description
This product must meet the following technical requirements:
1. GB/T 3326-2016: Furniture - Seating - Test methods for determination of stability, strength and durability;
2. GB/T 14530-2008: Furniture - Office chairs - Safety requirements for flammability of upholstered parts;
3. GB 18580-2017: Formaldehyde emission limits for interior decoration materials - Wood-based panels and products;
4. GB/T 26175-2010: Office furniture - Office chairs - Mechanical and structural safety requirements;
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-001

Complete Parameter Workbook

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XLSX · OC-MB-001

International Listing Template

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

XLSX · LISTING

Customs Declaration Data

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CUSTOMS · OC-MB-001Open Export Tool

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Product Overview & Construction Details

GUOYOU OC-MB-001 is a black mid-back executive office chr with an upholstered seat and back, presenting a sleek, professional silhouette that balances polished aesthetics with functional design. Its visual form features a uniform black color palette with smooth matte faux leather upholstery, complemented by clean, visible stitching along the lower backrest lumbar panel. Fixed T-shaped arm supports with flat paddle-style tops extend vertically from the seat sides, pred with a one-piece molded black nylon 5-star base and dual-wheel casters for a cohesive, minimalist look that fits both formal and modern interior schemes. Constructed with durability and support in mind, the chr uses a black PVC/PU blend faux leather upholstery with fabric backing for the seat and backrest, pred with molded foam cores: high-density polyurethane foam in the seat cushion and medium-density foam with an integrated lumbar pad in the contoured backrest. Beneath the padding, an internal frame of plywood reinforced with steel provides structural stability, while a black steel synchro-tilt mechanism under the seat connects to a chrome-plated steel gas lift cylinder. The armrest assembly is made of black hard PP plastic with integrated top pads, and the reinforced glass fiber nylon 5-star base supports smooth mobility via black PU-tread dual-wheel casters with plastic housings. High-strength polyester thread lock-stitch construction secures the upholstery for long-term use. Practically, the chr offers a suite of standard executive seating functions. It supports 360-degree continuous swivel around the central gas lift axis, with seat height adjustment via a left-side control lever. The backrest tilts up to 12 degrees backward, lockable in the upright position, with tilt tension adjustable via a 6-position rotary knob under the seat center. A fixed, padded lumbar panel on the lower backrest delivers consistent lower back support, and stationary armrests positioned above the seat provide stable forearm support for typing or resting. The PU caster tread rolls smoothly across hard flooring and low-pile carpet without marking surfaces. This chr is versatile across both commercial and residential spaces. In commercial settings, it serves as primary task seating in executive private offices and C-suite suites, where its sleek faux leather finish aligns with professional workspace aesthetics. It works well as conference room seating for extended meetings, as its adjustability supports comfortable posture during long discussions, and fits open-plan workbench desks for regular full-time use. It also functions as visitor seating in corporate reception and wting areas, thanks to its formal, minimalist appearance that complements corporate brand identities. For residential use, it is well-suited for home office workstations, where its ergonomic seat and lumbar support promote proper sitting posture during dly computer work. For procurement planning, the chr ships in a flat-pack knock-down configuration, with single-person assembly completed with basic tools. It is engineered to support standard office usage needs, with a static load rating suited for typical user weights and durable upholstery built to withstand regular dly wear. Its standard sizing and neutral black finish make it easy to coordinate with existing office furniture collections, whether outfitting individual offices, entire work floors, or public reception zones.

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