Name: High-Back Upholstered Executive Swivel Office Chair
Brand: Yiankang
SKU: QM63DS

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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)	680 × 720 × 1180 mm
Seat width	520 mm
Seat depth	500 mm
Seat height adjustment range	530 mm
Backrest height	760 mm
Backrest width	500 mm
Armrest height from seat	220 mm
Five-star base diameter	700 mm
Caster diameter	50 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 chair weight	22 kg
Maximum recommended user weight	150 kg
Seat foam density	45 kg/m³
Backrest foam density	35 kg/m³
Seat foam thickness	80 mm
Backrest foam thickness	60 mm
Seam stitch pitch	3 mm per stitch
Gas lift static load rating	150 kg
Caster rolling durability	100000 cycles
Upholstery abrasion resistance	50000 Martindale 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.

Seat and backrest upholstery	Smooth dark grey PU leather
Seat core	Molded high-resilience polyurethane foam
Backrest core	Shaped high-resilience polyurethane foam
Padded armrests	PU leather padded armrests with molded structural inner support
Height adjustment gas lift	Chrome-plated steel Class 3 gas lift
Tilt mechanism	Black powder-coated steel multi-function tilt chassis
Five-star base	Polished chrome-plated steel five-star base
Casters	Black nylon dual-wheel hard floor casters
Internal back frame	12 mm thick molded plywood inner support
Upholstery stitching	Matching dark grey bonded 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.

Seat height adjustment	Pneumatic height adjustment via right-side lever, 80 mm stroke to accommodate 95th percentile user heights
Backrest tilt function	Synchro-tilt mechanism with 12 degree backward recline, lockable in upright position via side lever
360-degree swivel	Full 360 degree horizontal rotation enabled by central swivel joint between gas lift and mechanism
Mobility function	Smooth rolling movement on all 5 dual-wheel casters, suitable for hard floor surfaces
Integrated arm support	Fixed height padded armrests positioned to support forearm posture during seated work
Lumbar support	Contoured middle back section provides built-in static lumbar support without adjustable pads
Weight-activated tilt tension	Tilt resistance automatically adjusts to user weight to support controlled recline
Upright position lock	Mechanism locks backrest in fully upright position for focused desk work
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.

Number of shipping cartons	1 unit per carton
Packed carton dimensions	850 x 680 x 420 mm
Gross shipping weight	26 kg
Shipping volume per unit	0.243 CBM
Required assembly time	25 minutes
40ft HQ container loading quantity	270 units
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

PRODUCT MODULE 06 / 06

Applications & Usage

Recommended spaces / users / usage modes

Data source: Recommended applications based on product form and category.

Private executive offices	High-back upholstered design provides professional appearance and full back support for senior management daily office use
Corporate boardrooms	Polished chrome base and tailored upholstery matches formal meeting room furnishings for extended board sessions
Private home offices	Padded design and smooth mobility support long duration work from home with executive styling suitable for residential workspaces
Managerial workstations	Adjustable height and recline function provides ergonomic support for middle and senior managers at open plan or enclosed workstations
Consulting and legal office spaces	Durable PU leather upholstery allows easy cleaning and professional presentation for client-facing work environments
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

Applicable office seating safety standard	EN 1335:2020
Applicable office seating strength standard	EN 1335:2018
Applicable upholstery fire standard	EN 1021:2014

STANDARD S2

North America Purchasing & Inspection Reference * ANSI/BIFMA Standards

US and Canada office-furniture standards

Applicable office chair standard	ANSI/BIFMA X2017
Applicable caster standard	ANSI/BIFMA X2017Clause 11
Five-star base static load rating	1136 kg

STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

Applicable seating safety standard	GB/T 3326
Applicable seating mechanical standard	GB/T 10357.3
Applicable upholstery safety standard	GB 20400

Standardized tender description text

This product must meet the following technical requirements:
1. Applicable seating safety standard: GB/T 3326;
2. Applicable seating mechanical standard: GB/T 10357.3;
3. Applicable upholstery safety standard: GB 20400;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.

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Product Description

The Yiankang EXEC-HB-PU-001 High-Back Upholstered Executive Swivel Office Chair features a polished, professional silhouette with a tall contoured backrest, integrated fixed-height padded armrests, and a symmetrical five-star base for balanced visual presence. Its smooth dark grey PU leather upholstery is accented with matching dark grey stitched seam lines across the backrest, complemented by a shiny polished chrome base and center support column that create a cohesive formal aesthetic suitable for premium work environments. The chair is built with multi-layer construction: a molded plywood inner frame supports the seat and backrest, which are padded with high-resilience polyurethane foam, while the central tilt chassis uses powder-coated steel, the gas lift is chrome-plated steel, and rolling components consist of black nylon dual-wheel casters designed for hard floor surfaces. The seat cushion features thick, dense foam paired with a contoured lumbar zone built into the middle back to deliver static postural support without separate adjustable pads. Functional features include pneumatic seat height adjustment operated via a right-side lever, a synchro-tilt mechanism with weight-activated tension adjustment that automatically adapts resistance to the user, a lock to hold the backrest in a fully upright position for focused work, full 360-degree swivel, and smooth multidirectional rolling across hard flooring. The chair supports a maximum recommended user weight aligned with its Class 3 gas lift rating, and the PU upholstery offers heavy-duty abrasion resistance suitable for frequent commercial use. This model fits a wide range of spaces, including private executive offices, corporate boardrooms, private home offices, managerial workstations in open-plan or enclosed layouts, and client-facing consulting or legal offices where easy-to-clean surfaces and professional presentation are priorities. For procurement, teams should confirm material grades, structural component specifications, and mechanism certifications directly with the supplier prior to finalizing orders, as some listed construction details are reference values based on standard category configurations. Shipping is configured for knocked-down delivery with standard packaging that supports full contner load planning, and assembly can be completed by a single person with basic tools.

High-Back Upholstered Executive Swivel Office Chair Specifications

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