| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall desk dimensions (max height) | 1200 x 700 x 750 mm | |
|---|---|---|
| Minimum desk height | 520 mm | |
| Attached hutch/bookshelf dimensions | 475 x 150 x 300 mm | |
| Smiley-face storage drawer internal dimensions | 475 x 295 x 40 mm | |
| Central seated knee clearance width | 700 mm | |
| Knee clearance minimum height under desk | 470 mm | |
| Chair overall dimensions (max height) | 360 x 440 x 760 mm | |
| Chair minimum seat height | 290 mm | |
| Chair seat depth | 420 mm | |
| Backrest height (chair) | 380 mm | |
| Armrest height above seat | 180 mm | |
| Five-star caster base diameter (chair) | 600 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
| Desk top static load capacity | 80 kg | |
|---|---|---|
| Drawer maximum static load | 5 kg | |
| Recommended user age range | 18 years | |
| Desktop maximum tilt angle | 45° | |
| Chair caster rolling durability cycles | 20000 cycles | |
| Frame surface scratch resistance | 2H pencil hardness | |
| Net weight of desk and chair set | 50 kg | |
| 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
| Desktop panel | 18mm thick MDF wood-based panel with matte wear-resistant laminate | |
|---|---|---|
| Desk height-adjustment frame and legs | 1.2mm thick powder-coated steel tube with rounded PP plastic foot caps | |
| Smiley drawer and hutch components | Food-grade PP plastic with rounded safety edges, no sharp corners | |
| Chair seat and back cushions | 40mm thick 35kg/m³ high-resilience polyurethane foam, 85% rebound rate | |
| Chair upholstery fabric | 280gsm breathable polyester mesh with 20000-cycle Martindale abrasion resistance | |
| Chair internal support frame | 1.5mm thick reinforced PP/ABS composite frame with steel insert core | |
| Chair gas lift | Class 2 gas lift with 50mm tube diameter and 180mm height adjustment stroke | |
| Chair casters | 50mm diameter soft PU casters with load-sensitive brake for hard floors | |
| Edge trim on all panels | 1mm thick soft PVC rounded edge molding for impact protection | |
| Upholstery seam construction | 8 stitches per inch reinforced seam stitching for fabric durability | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame |
Adjustment / rotation / tilt / mobility / storage features
| Desk height adjustment mechanism | Manual side-mounted crank for continuous stepless height adjustment between 750 mm, crank stows flush when not in use | |
|---|---|---|
| Desktop tilt function | Multi-position tilting work surface with lock positions at 0°, 10°, 20°, 30° and 45° for writing, reading and drawing | |
| Integrated hutch storage | Tiered open upper shelf with dedicated compartments for books, stationery, desk lamp and tablet stand | |
| Under-desk storage drawer | Pull-out front drawer with smile-face molded pull, 5kg load capacity for stationery and small supplies | |
| Chair back support | Dual split backrest design for independent lumbar and thoracic spine support during long study sessions | |
| Chair armrests | Height-adjustable padded armrests with 60mm vertical travel to support proper arm position | |
| Chair mobility and safety | Load-sensitive brake casters that lock automatically when seated to prevent chair movement, unlock when standing | |
| Anti-pinch safety feature | Gap guard between tilting desktop and fixed frame to prevent finger pinching during tilt adjustment | |
| 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
| Home children's bedroom study nook | Sized to fit in compact bedroom spaces for daily homework, reading and art activities for children 18 years | |
|---|---|---|
| Dedicated home study room for single child | Ergonomic adjustability supports 10+ years of use as child grows from preschool to high school | |
| After-school tutoring center individual workstations | Durable construction and height adjustment fits multiple student height ranges in shared learning spaces | |
| Montessori and early learning classroom settings | Child-sized accessible storage and safety features support independent learning and organization for young users | |
| Recommended paired accessories | Compatible with clip-on LED desk lamp, removable book stand, and anti-slip desk mat for full study setup | |
| Floor surface compatibility | Soft PU casters work safely on hardwood, laminate, tile and low-pile carpet without scratching surfaces | |
| 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 | Safety requirements for children's seating and tables for domestic use, applicable for full set safety | |
|---|---|---|
| EN 71-1:2014+A1:2018 | Toy safety - mechanical and physical properties, applicable for small component safety | |
| EN 71-2:2020 | Toy safety - flammability, applicable for upholstered chair fabric and foam requirements | |
| EN 71-3:2019+A1:2021 | Toy safety - migration of certain elements, applicable for paint and plastic component safety |
Standards applicable to China-market projects
| GB 28007-2011 | General technical requirements for children's furniture, applicable for structural safety and edge requirements | |
|---|---|---|
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable for desk panel quality and performance | |
| GB 18580-2017 | Formaldehyde emission limits for wood-based panels, required for indoor children furniture materials |
This product must meet the following technical requirements: 1. GB 28007-2011: General technical requirements for children's furniture, applicable for structural safety and edge requirements; 2. GB/T 3324-2017: General technical requirements for wooden furniture, applicable for desk panel quality and performance; 3. GB 18580-2017: Formaldehyde emission limits for wood-based panels, required for indoor children furniture materials; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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