| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall set footprint | 700 x 500 x 780 mm | |
|---|---|---|
| Desktop usable dimensions | 650 x 450 mm | |
| Desktop thickness | 25 mm | |
| Perimeter anti-slip lip height | 10 mm | |
| Pen groove length | 190 mm | |
| Under-desk storage tray dimensions | 550 x 365 x 155 mm | |
| Maximum desk height (surface to floor) | 780 mm | |
| Chair seat usable dimensions | 380 x 370 mm | |
| Maximum chair seat height (seat to floor) | 460 mm | |
| Chair backrest height (seat to top) | 320 mm | |
| Leg tube cross-section | 60 x 30 mm oval | |
| T-base foot length per side | 420 mm | |
| Knee clearance under desk (minimum) | 600 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Backrest Padding Thickness | 70 mm | |
| Lumbar Support Zone Height | 240 mm |
Net weight / load capacity / users / durability
| Total set net weight | 16 kg | |
|---|---|---|
| Desktop static load capacity | 80 kg | |
| Surface abrasion resistance | 2000 cycles | |
| Applicable student height range | 180 cm | |
| Frame tube wall thickness | 1.5 mm | |
| Adjustable height positions per unit | 4 | |
| Anti-slip foot static friction coefficient | 0.6 | |
| Standard product warranty | 12 months | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Desktop panel | Injection-molded ABS engineering plastic, matte textured finish | |
|---|---|---|
| Chair seat and backrest | Integrally molded PP engineering plastic, contoured ergonomic shape | |
| Frame structure | Cold-rolled steel tube, electrostatic powder-coated blue and white finish | |
| Height adjustment bushings | Injection-molded ABS plastic inserts between telescoping leg tubes | |
| Under-desk storage tray | One-piece molded PP plastic with integrated drain slots | |
| Base foot pads | Non-slip TPE rubber caps on all base contact points | |
| Adjustment fasteners | Zinc-plated steel locking bolts with plastic hand knobs | |
| Side bag hook | Integrally formed steel hook with plastic coating, mounted under desk edge | |
| Weld points on frame | CO2 shielded arc welds, ground smooth with no sharp burrs | |
| 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 |
Adjustment / rotation / tilt / mobility / storage features
| Dual-unit height adjustment | Telescoping inner/outer legs with double-screw locks, 90mm desk stroke, 60mm chair stroke | |
|---|---|---|
| Desktop item retention | Raised 10mm perimeter lip prevents stationery from sliding off during use | |
| Under-surface storage | Open front-access molded tray holds books and school supplies below desktop | |
| Stationery organization | Integrated front pen groove holds writing utensils along front desk edge | |
| Personal item hanging | Side mounted hook supports 5kg load for school bags and water bottles | |
| Floor stability | Crossed T-shaped base with rubber pads prevents tipping on hard classroom floors | |
| Height locking security | Dual bolt per leg locking mechanism prevents unintended height slippage | |
| Surface maintenance | Non-porous molded plastic surface resists stains and allows wipe-clean disinfection | |
| 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 |
Verified carton / gross weight / assembly / loading data
| 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 |
Recommended spaces / users / usage modes
| K-12 classroom installation | Single-seat unit for individual student work in standard K-12 classrooms | |
|---|---|---|
| Tutoring center use | Height-adjustable unit suitable for mixed-age after-school tutoring environments | |
| Home study space | Compact footprint fits small home study areas for child homework use | |
| Training room deployment | Stackable, easy-move design suitable for temporary training and exam room setups | |
| Bulk school procurement | Standardized modular design supports bulk replacement and classroom outfitting | |
| Hard floor environments | Non-slip rubber feet protect vinyl, tile and wood classroom floors from scuffs | |
| Recommended Matching Desk Size | 2.4 m executive desk | |
| Reference Daily Use Duration | 8 hours/day; confirm by ergonomic testing |
EU Market Access Requirements* EN Standards
| EN 1729-1:2015 | Functional safety standard for educational seating and tables | |
|---|---|---|
| EN 1729-2:2012 | Strength, durability and stability test methods for educational furniture |
Standards applicable to China-market projects
| GB/T 3976-2014 | Functional dimension standard for school desks and chairs | |
|---|---|---|
| GB 28007-2011 | General safety requirements for children's furniture |
This product must meet the following technical requirements: 1. GB/T 3976-2014: Functional dimension standard for school desks and chairs; 2. GB 28007-2011: General safety requirements for children's furniture; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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