| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Desk overall dimensions (WxD) | 1200 x 780 mm | |
|---|---|---|
| Desk height adjustment maximum | 980 mm | |
| Integrated upper bookshelf dimensions | 1000 x 220 x 620 mm | |
| Chair overall dimensions (WxDxH) | 550 x 700 x 910 mm | |
| Seat cushion dimensions | 450 x 430 mm | |
| Seat height adjustment maximum | 490 mm | |
| Backrest height adjustment maximum | 910 mm | |
| Seat depth adjustment maximum travel | 80 mm | |
| Under-desk seated knee clearance | 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
| Desk desktop static load capacity | 100 kg | |
|---|---|---|
| Pull-out drawer maximum load | 5 kg | |
| Recommended user age range | 18 years old | |
| Gas lift durability cycle count | 10000 cycles | |
| Set total net weight | 60 kg | |
| Caster rolling durability | 20000 cycles | |
| 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 |
Core acceptance fields · Panels / hardware / frame / upholstery
| Desk height-adjustment leg frame | 1.2mm thick powder-coated cold-rolled steel | |
|---|---|---|
| Desktop work surface | 18mm thick E1-grade MDF with scratch-resistant laminate finish | |
| Desk edge trim | Soft rounded TPE rubber edging | |
| Chair seat and backrest core | 40mm thick 35kg/m³ high-resilience polyurethane foam | |
| Chair upholstery | Removable washable 0.8mm thick polyester fabric cover | |
| Chair structural components (armrests/base) | Impact-resistant polypropylene plastic | |
| Caster wheels | 50mm diameter PU soft casters with load-sensitive brake | |
| Bookshelf rail and hardware | Chrome-plated steel anti-fall rail with ABS connection fittings | |
| 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 |
Adjustment / rotation / tilt / mobility / storage features
| Desk height adjustment mechanism | Hand-crank mechanical lift locks at preset heights to 980mm | |
|---|---|---|
| Desktop tilt function | Multi-position lockable tilt adjusts 0 to 45 degrees for writing, reading, drawing | |
| Chair backrest adjustment | Height-adjustable backrest slides 790 to 910mm for spinal support | |
| Seat depth adjustment | Sliding seat pan adjusts 0 to 80mm to fit varying leg lengths | |
| Integrated accessory functions | Includes LED desk lamp, foldable book holder, under-desk drawer, backpack hook | |
| Chair mobility feature | Dual-wheel casters lock automatically under seated load for stability | |
| Chair armrests | Fixed height ergonomic armrests for forearm support during study | |
| Desktop tilt maximum angle | 45 degrees | |
| 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 area | Fits 1200mm wide dedicated study space for children 18 years old | |
|---|---|---|
| Home open-plan living area study nook | Mobile casters allow easy repositioning for shared family use | |
| Preschool and early elementary classroom use | Adjustable dimensions accommodate growing children in group learning environments | |
| Children's ergonomic posture training | Tilting desktop and adjustable seat/back promote neutral sitting posture for long study sessions | |
| Shared multi-child household use | Wide 1200mm desktop and adjustable height suit multiple age groups | |
| Distance learning and homework station | Integrated lamp and book holder support focused homework and remote class activities | |
| 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 | Applies to safety requirements for children's seating and study furniture | |
|---|---|---|
| EN 71-1:2014+A1:2018 | Applies to mechanical and physical safety properties for children's products | |
| EN 71-3:2019+A1:2021 | Applies to migration limits for heavy metals in furniture materials |
Standards applicable to China-market projects
| GB 28007-2011 | Applies to general safety requirements for children's furniture for ages 14 | |
|---|---|---|
| GB/T 3324-2017 | Applies to general technical requirements for wooden furniture used in desk construction | |
| GB 6675.1-2014 | Applies to toy safety requirements for all children's furniture accessory parts |
This product must meet the following technical requirements: 1. GB 28007-2011: Applies to general safety requirements for children's furniture for ages 14; 2. GB/T 3324-2017: Applies to general technical requirements for wooden furniture used in desk construction; 3. GB 6675.1-2014: Applies to toy safety requirements for all children's furniture accessory parts; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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