Name: Mid-Back Black Faux Leather Ergonomic Office Task Chair
Brand: YUXIANG
SKU: 56FD4Q

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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)	660 × 640 × 1035 mm
Seat width	525 mm
Seat depth	450 mm
Backrest width	415 mm
Backrest height	550 mm
Maximum seat height	510 mm
Maximum armrest height above seat	265 mm
Five-star base diameter	660 mm
Caster diameter	50 mm
Arm pad length	250 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	136 kg
Net weight	16 kg
Seat height adjustment stroke	70 mm
Swivel rotation range	360 degrees
Backrest tilt angle	12 degrees
Seat foam density	50 kg/m³
Seat foam thickness	80 mm
Backrest foam thickness	50 mm
Upholstery abrasion resistance	100000 double rubs
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 and back upholstery	Black 1.0mm thick PU faux leather, matte finish
Seat core padding	High-density molded polyurethane foam, waterfall front edge
Backrest core padding	Contoured high-density polyurethane foam with lumbar support curve
Five-star base	1.5mm thick chrome-plated steel, polished finish
Gas lift column	Class 3 steel pneumatic cylinder, chrome finish
Tilt mechanism	2.5mm thick stamped steel plate with tension adjustment knob
Armrest supports	Reinforced nylon height-adjustment posts, padded PU arm pads
Casters	50mm diameter twin-wheel nylon casters, black finish
Internal seat frame	12mm thick molded plywood support board
Seam stitching	8mm stitch pitch, matching black polyester thread
Seat Internal Support Board Thickness	14 mm bent plywood or equivalent support board
Backrest Internal Frame Thickness	14 mm bent plywood/composite reinforced frame

PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

Data source: Functional configuration; the supplier specification prevails.

Pneumatic seat height adjustment	70mm stroke, activated by side lever under seat, locks at selected height
Height-adjustable armrests	70mm vertical adjustment range, locks at desired height for ergonomic arm support
Backrest tilt function	12-degree maximum recline, stepless tension adjustment to match user weight
Upright tilt lock	Locks backrest in fully upright position for focused task work
360-degree swivel	Full rotation around central gas lift for easy access to desk surfaces
Rolling mobility	Dual-wheel casters roll smoothly on both carpet and hard floor surfaces
Waterfall seat edge	Curved front seat edge reduces pressure on back of thighs during extended sitting
Maximum depth at full tilt	710 mm
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.

Private office workstation	Suitable for 8 hour daily seated work at standard height office desks
Open plan office task seating	Fits standard cubicle and benching desk layouts with compact 660mm width
Home office workspace	Compact footprint fits small home desks, easy to assemble for residential use
Conference room auxiliary seating	Formal upholstered aesthetic suitable for meeting room temporary seating
Co-working space hot desks	Durable PU leather surface resists stains and easy to clean between users
Reception desk seating	Polished chrome base and black finish presents professional appearance for visitor areas
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

EN 1335-1:2020	Applicable for office chair dimensional, safety and strength requirements for task seating
EN 1022:2018	Applicable for office chair stability testing under standard use conditions
EN 12520:2015	Applicable for furniture strength, durability and safety requirements for seating

STANDARD S2

North America Purchasing & Inspection Reference * ANSI/BIFMA Standards

US and Canada office-furniture standards

ANSI/BIFMA X5.1-2017	Applicable for general-purpose office chair performance and durability testing standards

STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

GB/T 3326-2016	Applicable for furniture dimension measurement and tolerance verification of office chairs
GB/T 39600-2021	Applicable for minimum formaldehyde emission limits for furniture upholstery and components

Standardized tender description text

This product must meet the following technical requirements:
1. GB/T 3326-2016: Applicable for furniture dimension measurement and tolerance verification of office chairs;
2. GB/T 39600-2021: Applicable for minimum formaldehyde emission limits for furniture upholstery and components;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.

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Product Description

The YUXIANG Mid-Back Black Faux Leather Ergonomic Office Task Chair, model OF-CH-MB-PU-660, presents a polished, professional silhouette tailored for both commercial and residential seated work environments. Its compact, proportional form is anchored by a polished chrome-plated five-star base fitted with black twin-wheel casters, paired with a contoured mid-height backrest and structured padded seat that aligns with standard desk configurations. The matte black PU upholstery is complemented by chrome-finished metal components and padded armrests, delivering a sleek, understated aesthetic that blends seamlessly across formal and casual workspaces.
Constructed for consistent daily use, the chair features 1.0mm thick matte black PU faux leather upholstery over high-density molded polyurethane padding for both the seat and backrest. The seat incorporates a waterfall front edge designed to reduce pressure on the backs of the thighs, while the contoured backrest is shaped with a built-in lumbar support curve. Its structural components include a 1.5mm thick chrome-plated steel five-star base, Class 3 steel pneumatic gas lift cylinder, 2.5mm thick stamped steel tilt mechanism, reinforced nylon armrest support posts, 12mm thick molded plywood internal seat frame, and 50mm twin-wheel nylon casters suitable for both carpet and hard floor surfaces.
Functional features support flexible, ergonomic use across varied work tasks. A side-activated lever controls pneumatic seat height adjustment with a 70mm stroke that locks at the user’s selected height, while armrests offer 70mm of vertical adjustment to lock into place for customized arm support. The backrest delivers a maximum 12-degree recline with stepless tension adjustment to match user weight, plus an upright lock to hold the backrest in position for focused work. Full 360-degree swivel around the central column allows easy access to surrounding desk surfaces, and the dual-wheel casters enable smooth, quiet movement across flooring types.
This chair is well suited for private office workstations supporting 8 hours of daily seated work, open plan cubicle and benching layouts, compact home office workspaces, conference room auxiliary seating, co-working hot desks, and reception areas where a professional, easy-to-clean seating surface is prioritized.
For procurement planning, note that each unit ships in two cartons, with an assembly time of 40 minutes per set. The chair has a recommended user weight capacity of 136 kg, and its compact footprint supports efficient space utilization for bulk orders. The durable, stain-resistant faux leather surface simplifies maintenance between users in high-turnover shared spaces.

Mid-Back Black Faux Leather Ergonomic Office Task Chair Specifications

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