Name: Height-Adjustable Connected Single-Student Classroom Desk and Chair Set
Brand: Yili Furniture
SKU: 25HYEE

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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)	700 × 450 × 760 mm
Overall set footprint	700 x 650 x 760 mm
Desktop work surface	650 x 450 mm
Maximum desk surface height	760 mm
Minimum desk surface height	640 mm
Seat panel dimensions	400 x 360 mm
Maximum seat height	460 mm
Minimum seat height	380 mm
Backrest dimensions	400 x 350 mm
Undermount storage drawer	500 x 330 x 170 mm
Steel support tube section	25 x 50 mm oval cold-rolled steel
Sled base glide spacing	600 mm
Knee clearance under desk	590 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.

Desktop static load capacity	50 kg
Set net weight	22 kg
Height adjustment positions	5 positions
Frame adjustment cycle durability	100000 cycles
Edge safety radius	10 mm
Recommended student height range	1800 mm
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

PRODUCT MODULE 03 / 06

Materials & Structure

Core acceptance fields · Panels / hardware / frame / upholstery

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

Desktop panel	1.2 mm thick textured light grey molded PP/ABS composite
Seat and backrest panels	Molded light grey impact-resistant PP/ABS with reinforcing ribs
Frame tubing	1.4 mm wall thickness cold-rolled oval steel, off-white electrostatic powder coat
Height adjustment sleeves	Telescoping steel inner tube with 1.2 mm wall thickness, black lock ring
Floor contact glides	Injection-molded black PP non-slip end caps
Undermount drawer	Light grey injection-molded PP with reinforcing ribs
Frame welds	Full continuous welds at tube joints with anti-rust primer under powder coat
Fasteners	Zinc-plated steel locking bolts and nuts for height adjustment
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.

Bolt-operated height adjustment	Pin-and-bolt lock through pre-punched leg holes, 30 mm vertical increments
Cantilever sled frame design	Connected single-piece desk-chair frame with no moving joints, anti-tip geometry
Undermount pull-out storage	Front-access slide-out drawer for notebooks, pens and small school supplies
Floor protection glides	Non-marring PP caps prevent floor scratches and reduce sliding noise
Ergonomic angled backrest	10 degree backward rake for seated lumbar support during long class periods
Rounded edge safety design	All exposed desk and seat edges finished with rounded profiles
Anti-tip T-sled base	Dual cross-foot base design distributes weight to prevent forward/back tipping
Integrated book hook provision	Rear frame tube designed for hanging school bags and water bottles
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.

K-12 general classroom use	Standard fixed-row seating for primary, middle and high school instructional spaces
Training center and tutorial room use	Durable connected seating for after-school programs and vocational training centers
Home study space for students	Durable height-adjustable set for dedicated home study areas for school-age children
Library reading and study areas	Space-efficient connected seating for public and school library individual study carrels
Exam hall seating	Fixed anti-tip seating for standardized testing and examination venues
Temporary classroom and event seating	Stackable? No, but easy to relocate for temporary school events and pop-up classrooms
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 - Chairs and tables for educational institutions - Functional dimensions
EN 1729-2:2012	Furniture - Chairs and tables for educational institutions - Safety requirements and test methods
EN 1022:2018	Domestic furniture - Seating - Determination of stability

STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

GB/T 3976-2014	Functional sizes and technical requirements for school desks and chairs
GB/T 9286-1998	Cross-cut adhesion test for powder-coated metal frame finishes
GB 18584-2001	Indoor decorating and refurbishing materials - limit of harmful substances
GB/T 10357.1-2013	Furniture mechanical performance test for table static load

Standardized tender description text

This product must meet the following technical requirements:
1. GB/T 3976-2014: Functional sizes and technical requirements for school desks and chairs;
2. GB/T 9286-1998: Cross-cut adhesion test for powder-coated metal frame finishes;
3. GB 18584-2001: Indoor decorating and refurbishing materials - limit of harmful substances;
4. GB/T 10357.1-2013: Furniture mechanical performance test for table static load;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.

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Product Description

The SCH-DC01-LG-ADJ Height-Adjustable Connected Single-Student Classroom Desk and Chair Set from Yili Furniture delivers purpose-built, durable seating and work support for a wide range of learning environments. The set features a unified cantilever sled frame with an integrated, connected desk and seat structure, finished in a coordinated light grey and off-white palette that blends seamlessly into structured learning spaces. Its anti-tip T-sled base creates a stable footprint, with non-marring black injection-molded PP glides at floor contact points to protect flooring and cut down on sliding noise. All exposed edges carry a rounded safety profile to reduce incidental contact injury risk during daily use.
Construction prioritizes long-term durability across high-traffic settings. The desk work surface uses a 1.2mm thick textured light grey molded PP/ABS composite with HPL wear resistance, supported by a 1.4mm wall thickness cold-rolled oval steel frame finished in off-white electrostatic powder coat over anti-rust primer, with full continuous welds at all tube joints. The seat and backrest are formed from impact-resistant light grey molded PP/ABS with internal reinforcing ribs, paired with a 14mm bent plywood internal seat support, while the ergonomic backrest features a 10-degree backward rake to deliver lumbar support through extended seated sessions. Telescoping steel adjustment sleeves with black lock rings connect to zinc-plated steel locking bolts for secure height changes, with five fixed adjustment positions set at 30mm vertical increments for both desk and seat heights. A front-access pull-out undermount PP drawer sits beneath the desk surface to hold notebooks, writing tools and small personal study supplies.
This set supports a maximum user height of 1800mm, making it suitable for K-12 general classroom fixed-row seating, training center and vocational tutorial spaces, public and school library individual study carrels, standardized exam halls, temporary event or pop-up classroom layouts, and dedicated home study areas for school-age children. The desktop holds a 50kg static load, and the height adjustment mechanism is engineered to withstand 100000 adjustment cycles for extended service life.
For procurement planning, each set ships across two cartons, with a 40-minute per-set assembly time, and fits 135 sets in a 20GP container at 85% space utilization. The fixed connected frame is not stackable, but its lightweight 22kg net weight allows easy repositioning for flexible space arrangements. The coordinated neutral finish supports consistent visual alignment across large seating installations, while the bolt-locked adjustment system enables simple, tool-accessible height modifications to match varied user needs across multi-age learning environments.

Height-Adjustable Connected Single-Student Classroom Desk and Chair Set Specifications

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