| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Desk overall dimensions | 1120 x 800 x 860 mm | |
|---|---|---|
| Desk height adjustment range | 860 mm | |
| Attached upper bookshelf dimensions | 1000 x 220 x 620 mm | |
| Chair overall dimensions | 530 x 620 x 820 mm | |
| Seat cushion dimensions | 440 x 430 mm | |
| Chair backrest height adjustment range | 960 mm | |
| Chair seat depth adjustment travel | 80 mm | |
| Under-desk knee clearance height | 860 mm | |
| Chair five-star base diameter | 620 mm | |
| Chair seat height at lowest adjustment | 300 mm | |
| Desk edge radius | 20 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Backrest Padding Thickness | 70 mm | |
| Lumbar Support Zone Height | 240 mm | |
| Clear Width Between Armrests | 540 mm |
Net weight / load capacity / users / durability
| Recommended user age range | 12 years | |
|---|---|---|
| Chair maximum static load capacity | 100 kg | |
| Chair net weight | 18 kg | |
| Bookshelf maximum shelf load | 12 kg | |
| Desktop tilt locking positions | 5 positions | |
| Caster rolling durability cycles | 10000 cycles | |
| Surface scratch resistance rating | 2000 revolutions | |
| 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 |
Core acceptance fields · Panels / hardware / frame / upholstery
| Desk work surface | 18mm thick MDF core with matte anti-glare laminate finish | |
|---|---|---|
| Desk and chair support frame | 1.5mm thick powder-coated steel tube | |
| Seat and back cushion core | 35 kg/m³ high-resilience PU foam, 50mm thick seat, 40mm thick back | |
| Chair upholstery | Breathable 0.8mm thick woven polyester fabric, 30000 cycle abrasion resistance | |
| Safety edge trim | Soft TPE plastic rounded edge trim | |
| Desk leg end caps and height adjusters | Reinforced ABS plastic non-slip pads | |
| Chair casters | 50mm diameter nylon universal casters with pressure-sensitive brake | |
| Tilt and height adjustment hardware | Zinc-plated steel hinges, gas spring for desktop tilt, manual height lock | |
| Bookshelf panels | 15mm thick particleboard with white laminate finish | |
| 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
| Desktop tilt adjustment | 45° stepless tilt with locking lever, positions for writing, reading and drawing | |
|---|---|---|
| Desk height adjustment | Manual lockable height adjustment from 560mm to 860mm, matches standing and seated child use | |
| Chair seat depth adjustment | Sliding seat pan with 80mm travel, adjusts to fit thigh length for growing children | |
| Chair mobility and safety locking | Pressure-brake casters lock automatically under 20kg load to prevent unwanted movement | |
| Integrated storage features | Upper multi-tier bookshelf, side drawer and pen holder for study supplies organization | |
| Anti-tip stability design | Wide splayed desk leg base and chair five-star base with 620mm diameter prevents tipping | |
| Book stop bar on tilting desk section | Raised fixed edge holds books and stationery when desktop is tilted at angle | |
| Desktop tilt angle range | 45° | |
| 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
| Children's home study space | Suitable for bedroom or dedicated study nook for elementary school students homework and reading | |
|---|---|---|
| After-school tutoring centers | Appropriate for small tutoring classrooms to provide adjustable seating for children aged 12 | |
| Family activity room multi-use area | Functions as drawing, craft and study station with tilting top for varied activities | |
| Long-term use through child growth | Adjustable height and depth settings support use from early elementary through middle school years | |
| Pairing with standard child height desk lamps | Integrated shelf accommodates clamp or base mounted desk lamps for focused task lighting | |
| 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 17191:2021 | Applicable safety, strength and durability standard for children's seating and study furniture | |
|---|---|---|
| EN 12520:2015 | Applicable strength, durability and safety standard for domestic seating |
Standards applicable to China-market projects
| GB/T 3976-2014 | Applicable standard for functional dimensions of student desks and chairs for school and home use | |
|---|---|---|
| GB 28007-2011 | Applicable general safety technical requirement for children's furniture | |
| GB 18584-2001 | Applicable indoor decoration material limit of harmful substances for wooden furniture |
This product must meet the following technical requirements: 1. GB/T 3976-2014: Applicable standard for functional dimensions of student desks and chairs for school and home use; 2. GB 28007-2011: Applicable general safety technical requirement for children's furniture; 3. GB 18584-2001: Applicable indoor decoration material limit of harmful substances for wooden furniture; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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