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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)	1150 × 900 × 800 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.

Per-seat static load capacity	150 kg
Seat flip cycle durability	50000 cycles
Module net weight	45 kg
Powder coating abrasion resistance	2000 cycles
Seat return mechanism noise level	40 dB
Warranty period	5 years
Fire performance of laminated panels	B1 grade
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.

Support frame and beams	2.0mm cold-drawn steel, electrostatic matte powder coat
Writing desk panel	25mm high-density MDF core, fireproof laminate top, PU edge banding
Seat and back panels	15mm multi-layer plywood, double-sided fireproof laminate, PP edge trim
Seat return mechanism covers	PP engineering plastic, matte black finish
Under-seat book net	4mm cold-drawn steel wire, welded construction, black powder coat
Floor mounting fasteners	Stainless steel M8 internal hex expansion bolts with rubber plugs
End modesty panels	25mm laminated MDF, curved edge profile, matching desk finish
Seat divider partitions	15mm laminated plywood, black edge trim
Seat Internal Support Board Thickness	14 mm bent plywood or equivalent support board
Backrest Internal Frame Thickness	14 mm bent plywood/composite reinforced frame
Gas-lift Engineering Specification	Recommended Class 4; outer tube 50 mm; stroke 100 mm
Tilt Mechanism Plate Thickness	2.5 mm cold-rolled steel

PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

Data source: Functional configuration; the supplier specification prevails.

Folding seat operation	Spring-loaded automatic return, folds flush against modesty panel when unoccupied
Floor mounting design	Permanent fixed installation via base flange expansion bolts
Cable management	Integrated under-desk wire retention loops for power/data cabling
Seat storage feature	Open steel wire net under each seat for book and personal item storage
Tiered sightline design	Each successive row elevated for unobstructed views over front row occupants
Seat damping feature	Plastic pivot bushings eliminate metal-on-metal noise during seat return
Modular configuration	Segments connect in linear runs to match hall width and row length
Customization option	Pre-drilled cutouts available for integrated power and data sockets
Recline Angle / Lock Reference	125° with 3suggested lock positions
Tilt Tension User-weight Range	Reference adjustment coverage 120 kg
Height Adjustment Stroke	100 mm continuous travel
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.

Higher education lecture halls	Permanent tiered seating with sightline optimization for large class instruction
Multi-function school report halls	Durable fixed seating for assemblies, guest lectures and campus events
Corporate training auditoriums	Folding seats clear aisle space between sessions for flexible event use
Government and institutional meeting rooms	Fixed heavy-duty seating for formal public hearings and committee sessions
Stepped multimedia classrooms	Integrated cable management supports AV and device power for technology-enabled teaching
Continuing education training centers	Low-maintenance surfaces withstand frequent daily use by rotating student groups
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 1729-1:2015	Furniture for educational institutions, safety and strength requirements for seating and desks
EN 13722:2004	Test methods for strength and durability of fixed public seating
EN 13501-1:2018	Fire classification of construction products, applicable to panel surface materials

STANDARD S2

North America Purchasing & Inspection Reference * ANSI/BIFMA Standards

US and Canada office-furniture standards

ANSI/BIFMA X5.1-2017	Office chairs standard, reference for static seat load and durability testing
ANSI/BIFMA X5.5-2021	Desk products standard, reference for desk surface load and edge strength

STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

GB/T 3324-2017	General technical requirements for wooden furniture, applicable to all laminated wood panels
GB/T 3325-2017	General technical requirements for metal furniture, applicable to steel frame and hardware
GB 20286-2006	Fire performance requirements for flame-retardant furniture in public assembly venues
GB/T 10357.3-2013	Mechanical test methods for seating strength and durability, applicable to seat frames

Standardized tender description text

This product must meet the following technical requirements:
1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to all laminated wood panels;
2. GB/T 3325-2017: General technical requirements for metal furniture, applicable to steel frame and hardware;
3. GB 20286-2006: Fire performance requirements for flame-retardant furniture in public assembly venues;
4. GB/T 10357.3-2013: Mechanical test methods for seating strength and durability, applicable to seat frames;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.

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Product Description

The Floor-Mounted Tiered Folding Lecture Hall Desk and Chair Set (model TH-LS-520, unbranded) is a purpose-built fixed tiered seating solution designed for high-traffic learning and meeting environments. Visually, the set features a clean, uniform linear modular layout, with successive rows elevated to deliver tiered sightlines that ensure unobstructed views over front-row occupants. Curved end modesty panels with matching desk finishes, matte black hardware and trim, and a streamlined profile create a cohesive, professional appearance that aligns with formal institutional design standards, while flush-folding seats maintain clear, uncluttered aisles when unoccupied. Constructed for long-term heavy use, the unit’s support frame and beams use cold-drawn steel finished with electrostatic matte powder coating. Writing surfaces feature a high-density MDF core topped with fireproof laminate and sealed with PU edge banding, while seat and back panels use multi-layer plywood clad in double-sided fireproof laminate with PP edge trim. Seating components include thick, supportive cushioning, with a defined lumbar support zone and ample clear width between armrests for comfortable use across diverse user groups. Additional structural elements include welded cold-drawn steel wire under-seat book nets with black powder coating, PP engineering plastic spring return covers with a matte black finish, and stainless steel internal hex expansion bolts with rubber plugs for secure permanent floor mounting. Plastic pivot bushings are integrated into the seat return mechanism to eliminate metal-on-metal contact. Practical functionality is tailored to shared public space needs: spring-loaded seats automatically return to fold flush against modesty panels when not in use, integrated under-desk wire retention loops support organized routing of power and data cabling, and open under-seat steel wire nets provide convenient storage for books and personal items. The modular design allows connected linear segments to be configured to match specific hall width and row length requirements. This set is suited for a range of commercial and institutional spaces, including higher education lecture halls, multi-function school report halls, corporate training auditoriums, government and institutional meeting rooms, stepped multimedia classrooms, and continuing education training centers. Its durable, low-maintenance surfaces withstand frequent daily use by rotating groups, while the flush-folding seat design frees aisle space between sessions to support flexible event use. For procurement planning, note that the set comes packaged across two cartons per unit, with a per-set assembly time to account for during installation. The product carries a 5-year warranty, with laminated panels meeting B1 fire performance ratings, a per-seat static load capacity suited for general public use, and quiet seat return operation to minimize disruption during events. Loading data for standard shipping containers is available to support bulk order logistics coordination.

Floor-Mounted Tiered Folding Lecture Hall Desk and Chair Set Specifications

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