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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)	1100 × 700 × 820 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.

Unit net weight per 2-seat set	38 kg
Static load capacity per seating position	150 kg
Recommended maximum consecutive row seating length	12 seats
Service life for public high-traffic use	10 years
Seat and panel surface impact resistance	10 J
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
Five-star Base Static Load Reference	Acceptance target ≥120 kg; chair reference load 150 kg
Caster Rolling Durability Reference	Acceptance target 30000 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.

Structural support frame	3mm thick die-cast aluminum alloy with matte dark gray powder coating
Backrest panels	12mm thick fire-retardant high-pressure laminate with woodgrain finish
Seat panels	12mm thick contoured fire-retardant high-pressure laminate matching back finish
Under-seat book rack	8mm diameter steel wire mesh with black epoxy coating
Folding tablet arm	15mm thick high-density particleboard core with laminate surface, mounted on steel hinge
Fastener hardware	Zinc-plated steel anchor bolts, brackets and pivot pins
Floor contact feet	2mm thick ribbed rubber anti-slip pads
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
Five-star Base Material Thickness	Metal base wall 3.5 mm; diameter 700 mm

PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

Data source: Functional configuration; the supplier specification prevails.

Writing tablet operation	Spring-assisted fold-up mechanism, stows flush against seat back when unused, locks in horizontal use position
Seating configuration	Fixed continuous row mounting to tiered lecture hall floors, individual seat positions separated by central upright frame
Back support design	Contoured split wood-laminate back panels aligned to natural spine curve, provides upright lumbar support for long lectures
Under-seat storage	Fixed open steel wire rack under each seat position, holds bags, books and personal items during sessions
Row egress design	No movable armrests between seats, flat fixed seat surface allows unobstructed passage along the row
Noise reduction design	Rubber gaskets at tablet pivot points and floor contact points eliminate metal-on-metal noise during use
Installation adaptability	Pre-drilled mounting holes on frame bases support installation on flat or tiered sloped lecture hall floors
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.

University tiered lecture halls	Fixed row installation provides durable high-capacity seating for daily scheduled class sessions
Corporate training centers	Integrated writing tablet supports note-taking, workbook use and laptop placement during multi-hour training
School auditoriums and multi-purpose halls	Sturdy construction supports frequent public events, assemblies and seminar use with low maintenance
Conference and seminar rooms	Space-efficient row arrangement maximizes seating capacity while providing individual work surface
Public government briefing rooms	Neutral wood and dark frame finish matches formal institutional interior design standards
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 12727:2000	Performance requirements for tiered seating in public venues, applicable to structural load and stability verification
EN 1022:2018	Domestic and public seating stability test standard, applies to unit anti-overturning checks
EN 13501-1:2018	Construction product fire classification, applicable to upholstery and panel flammability rating

STANDARD S2

North America Purchasing & Inspection Reference * ANSI/BIFMA Standards

US and Canada office-furniture standards

ANSI/BIFMA X5.1-2017	General purpose office chairs safety and performance standard, applicable to seat and back static load testing
ANSI/BIFMA X5.5-2021	Desk products performance standard, applies to writing tablet load and durability verification

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 laminate seat and back panel quality verification
GB/T 3325-2017	Metal furniture general technical requirements, applicable to steel and aluminum frame structural integrity checks
GB 20286-2006	Fire retardant performance requirements for public seating materials in assembly occupancies, mandatory for public education venues

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 laminate seat and back panel quality verification;
2. GB/T 3325-2017: Metal furniture general technical requirements, applicable to steel and aluminum frame structural integrity checks;
3. GB 20286-2006: Fire retardant performance requirements for public seating materials in assembly occupancies, mandatory for public education venues;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.

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Product Description

The unbranded TRC-2S-LD01 2-Seat Ladder Lecture Hall Desk-Chair Set is purpose-built as fixed auditorium and lecture hall training seating, featuring a streamlined, space-efficient layout optimized for tiered installations. Its visual design pairs a matte dark gray powder-coated structural frame with warm woodgrain finished fire-retardant laminate seat and back panels, presenting a neutral, formal aesthetic suited to institutional settings. Individual seat positions are separated by central upright frames, with folding tablet arms that stow flush against seat backs when not in use for a clean, uncluttered row appearance. Constructed for high-traffic public use, the set uses a 3mm thick die-cast aluminum alloy frame secured with zinc-plated steel anchor bolts, brackets and pivot pins, fitted with 2mm ribbed rubber anti-slip floor contact pads. Contoured 12mm thick split seat and back panels are reinforced with 14mm bent plywood internal supports, cushioned with 90mm thick 45kg/m³ density seat foam offering 65% rebound, and 70mm thick 38kg/m³ density back foam aligned to a 240mm lumbar support zone matching the natural spine curve. The 15mm thick high-density particleboard folding tablet arm mounts on steel hinges, with an 8mm steel wire mesh epoxy-coated under-seat rack positioned below each position, and rubber gaskets fitted at pivot and contact points. Each 2-seat unit weighs 38kg, supports 150kg per seating position, and delivers a 10-year service life in high-traffic settings. Practical features include a spring-assisted folding tablet arm that locks in a horizontal position for use, supporting note-taking, workbook activities and laptop placement, while stowing fully flush to free up passage space. The open under-seat rack holds personal items, bags and books during sessions, while the flat fixed seat surface with no movable intermediate armrests enables unobstructed egress along rows. Rubber gaskets eliminate metal-on-metal noise during use, and pre-drilled frame base holes support installation on both flat and tiered sloped floors, with a maximum recommended consecutive row length of 12 seats. Each position offers 540mm of clear width between armrests, with panels rated for 10J impact resistance for durable long-term use. This set is suited for university tiered lecture halls for daily scheduled classes, corporate training centers for multi-hour sessions, school auditoriums and multi-purpose halls for assemblies and seminars, conference and seminar rooms for space-efficient high-capacity seating, and public government briefing rooms where its neutral finish aligns with formal interior standards. For procurement, note that each 2-seat set ships in 2 cartons with 0.26m³ total volume and 23kg packaged gross weight, requires 40 minutes of assembly per set, and 135 sets can fit in a 20GP container at 85% space utilization. Permanent floor mounting is required, and installations should align with maximum row length guidelines to maintain safe egress flow. Low-maintenance durable materials reduce long-term upkeep requirements for high-volume public venues.

2-Seat Ladder Lecture Hall Desk-Chair Set with Folding Tablet Arm Specifications

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