Name: Mid-Back Mesh Ergonomic Task Office Chair with Fixed Armrests
Brand: YUXIANG
SKU: DRPX5M

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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 × 620 × 1090 mm
Seat width	490 mm
Seat depth	460 mm
Seat height range (floor to seat top)	520 mm
Backrest height	580 mm
Armrest height above seat	180 mm
Seat cushion thickness	50 mm
Five-star base diameter	620 mm
Backrest frame width	505 mm
Minimum overall height	990 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	12 kg
Maximum static weight capacity	136 kg
Recommended user weight	110 kg
Seat foam density	45 kg/m³
Seat foam rebound rate	45%
Back mesh abrasion resistance	50000 cycles
Base static load rating	1136 kg
Seat Foam Density / Rebound Reference	45 kg/m³ / 65%
Back Foam Density Reference	38 kg/m³
Upholstery Thickness / Abrasion Reference	1.4 mm / 50000 cycles

PRODUCT MODULE 03 / 06

Materials & Structure

Core acceptance fields · Panels / hardware / frame / upholstery

Data source: Subject to the factory material list and inspection report.

Backrest upholstery	Grey breathable polyester mesh
Backrest frame	Fiberglass-reinforced polypropylene
Seat cushion core	High-density molded polyurethane foam
Seat upholstery	Wear-resistant grey polyester fabric
Armrests	Rigid light grey polypropylene
Five-star base	Light grey glass-fiber reinforced nylon
Gas lift column	Black painted steel, Class 3
Casters	Black polyurethane dual-wheel casters
Tilt mechanism plate	2.5mm thick cold-rolled steel
Seat inner support board	12mm thick multi-layer plywood
Seam stitch pitch	8 stitches per 30mm
Seat Internal Support Board Thickness	14 mm bent plywood or equivalent support board

PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

Data source: Functional configuration; the supplier specification prevails.

Seat height adjustment	100mm vertical stroke via pneumatic gas lift
Tilt function	12-degree backward tilt with upright position lock
Tilt tension adjustment	User-adjustable tension knob under seat
Swivel function	360-degree full rotation around central column
Mobility function	Five dual-wheel casters for multi-directional rolling
Lumbar support	Fixed contoured lumbar support zone integrated into back
Armrest support	Fixed T-shaped armrests at 180mm above seat
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.

Open office workstations	Suitable for 8-hour daily desk work in open plan offices
Home office setups	Compact footprint fits small home desk spaces
Conference and meeting rooms	Uniform mid-back design suitable for collaborative meeting spaces
Coworking spaces	Durable construction supports high-frequency shared use
Administrative staff work areas	Ergonomic lumbar support reduces fatigue for administrative tasks
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

Office furniture seating safety	EN 1335:2020
Office chair strength testing	EN 1335:2018
Furniture caster standard	EN 12529:1999

STANDARD S2

North America Purchasing & Inspection Reference * ANSI/BIFMA Standards

US and Canada office-furniture standards

Office chair performance standard	ANSI/BIFMA X2017
Textile performance standard	ANSI/BIFMA X2019
Caster rolling durability	100000 cycles

STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

Office chair safety standard	GB/T 3326
Upholstered furniture durability	GB/T 10357.3
Formaldehyde emission limit	GB 18584

Standardized tender description text

This product must meet the following technical requirements:
1. Office chair safety standard: GB/T 3326;
2. Upholstered furniture durability: GB/T 10357.3;
3. Formaldehyde emission limit: GB 18584;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.

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Product Description

The YUXIANG MB-OFC-049 is a mid-back mesh ergonomic task office chair designed for balanced comfort and consistent performance across diverse work environments, presenting a coordinated neutral grey aesthetic that aligns with a wide range of interior design schemes. Its streamlined silhouette combines a contoured mid-height backrest with integrated fixed T-shaped armrests, creating a compact, unobtrusive footprint without unnecessary protrusions. The chair’s overall dimensions measure 670 x 620 x 1090 mm, with a 620 mm diameter five-star base that delivers stable, balanced support without occupying excess floor area. The chair is built with durable, purpose-selected materials for long-term regular use. Its backrest uses breathable grey polyester mesh stretched over a fiberglass-reinforced polypropylene frame, paired with a seat upholstered in wear-resistant grey polyester fabric over a high-density molded polyurethane foam core rated at 45 kg/m³ density with 45% rebound rate. The fixed armrests are constructed from rigid light grey polypropylene, mounted 180 mm above the seat surface. The light grey glass-fiber reinforced nylon five-star base supports a Class 3 black painted steel gas lift column, 2.5mm thick cold-rolled steel tilt mechanism plate, and black polyurethane dual-wheel casters. Performance specifications include a 136 kg maximum static weight capacity, 50000-cycle abrasion resistance for the back mesh, and 1136 kg static load rating for the base, with a 12 kg net weight per unit. Core functional features support comfortable daily use, including 100 mm of vertical seat height adjustment via pneumatic control, 12-degree backward tilt with upright position lock, user-adjustable tilt tension via an under-seat knob, 360-degree swivel, and smooth multi-directional rolling across floor surfaces. A fixed contoured lumbar zone integrated into the backrest delivers consistent lower back support to reduce fatigue during extended work sessions. This chair is well suited for 8-hour daily use at open office workstations, compact home office setups, collaborative conference rooms, high-traffic coworking spaces, and administrative staff work areas, and pairs well with a 2.4 m executive desk. Procurement teams should note each unit ships across two cartons with a 23 kg packaged gross weight and 0.26 m³ total volume, requiring 40 minutes of assembly per set; 135 sets can be loaded into a 20GP container at 85% space utilization for streamlined bulk ordering and delivery planning.

Mid-Back Mesh Ergonomic Task Office Chair with Fixed Armrests Specifications

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