| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Desk overall footprint (including base) | 1200 x 700 x 770 mm | |
|---|---|---|
| Desk maximum adjustable working height | 770 mm | |
| Rear integrated bookshelf dimensions | 1200 x 200 x 300 mm | |
| Chair overall footprint (including wheeled base) | 580 x 620 x 820 mm | |
| Chair seat cushion dimensions | 450 x 420 mm | |
| Chair maximum adjustable seat height | 550 mm | |
| Chair maximum adjustable backrest height | 920 mm | |
| Chair maximum seat depth adjustment travel | 80 mm | |
| Under-desk seated knee clearance height | 620 mm | |
| Chair five-star caster base diameter | 620 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
| Chair recommended maximum static load capacity | 100 kg | |
|---|---|---|
| Recommended suitable user age range | 18 years | |
| Drawer maximum stationery storage load | 10 kg | |
| Bookshelf maximum book and supply load | 20 kg | |
| Set total net weight reference | 55 kg | |
| Caster rolling durability cycle rating | 20000 cycles | |
| Height adjustment crank operating torque | 2 N·m | |
| Desktop surface abrasion resistance rating | 2000 cycles | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Desk main work surface | 25mm thick E1 grade engineered wood, matte anti-glare finish | |
|---|---|---|
| Desk support frame and legs | 1.5mm thick powder-coated carbon steel, scratch-resistant coating | |
| Chair seat core padding | 40mm thick 35kg/m³ density high-resilience molded foam | |
| Chair seat and back upholstery | 300g/m² breathable woven polyester fabric, stain-resistant treatment | |
| Chair internal support frame | 1.2mm thick reinforced polypropylene and steel composite frame | |
| Chair height adjustment gas lift | Class 2 gas lift, 50mm diameter, 210mm stroke | |
| Chair five-star base | 2.8mm thick reinforced glass-fiber nylon, anti-tip wide stance | |
| Chair casters | 50mm diameter soft TPE rubber casters, gravity-locking design | |
| Integrated drawer body | 15mm thick engineered wood with ABS plastic edge trim, soft-pull handle | |
| Edge protection | 2mm thick TPE rounded safety edge trim on all desk contact points | |
| 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 | Side-mounted hand-crank synchronous lift, locks at any height between 770 mm | |
|---|---|---|
| Desktop tilt function | Stepless tilt lock for reading/writing/drafting positions up to 45° | |
| Chair seat depth adjustment | Sliding seat track, 80mm forward/back travel to fit varying leg lengths | |
| Caster safety function | Gravity-activated locking casters, lock when child is seated to prevent movement | |
| Storage functionality | Partitioned rear bookshelf and side pull-out drawer for stationery and book organization | |
| Armrest adjustment | Height-adjustable contoured armrests, 80mm vertical travel for elbow support | |
| Tilting desktop maximum tilt angle | 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
| Home children bedroom study nook | Fits compact 1200mm width footprint for dedicated homework space for ages 18 | |
|---|---|---|
| After-school tutoring classroom use | Height-adjustable design fits varying child heights for shared classroom seating | |
| Home open-plan living room study area | Neutral wood-tone finish blends with residential decor without dedicated room | |
| Pediatric occupational therapy space | Adjustable ergonomic split back supports proper seated posture for learning tasks | |
| Multi-child shared household use | Tool-free quick adjustment adapts between siblings of different heights and ages | |
| 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 | Furniture for educational institutions, safety strength and stability requirements | |
|---|---|---|
| EN 71-3:2019 | Toy safety, migration of certain elements applicable to child contact surfaces | |
| EN 12520:2015 | Domestic furniture seating strength durability and stability requirements for chair |
Standards applicable to China-market projects
| GB 28007-2011 | General safety technical code for children's furniture, applicable to sharp edge and stability requirements | |
|---|---|---|
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to desk panel durability | |
| GB 6675.1-2014 | Toy safety general requirements, applicable to small component and toxic substance limits |
This product must meet the following technical requirements: 1. GB 28007-2011: General safety technical code for children's furniture, applicable to sharp edge and stability requirements; 2. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to desk panel durability; 3. GB 6675.1-2014: Toy safety general requirements, applicable to small component and toxic substance limits; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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