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ZYTJ_06
WANGLI
This height-adjustable classroom desk and chair set is engineered for durability, ergonomic comfort, and long-term reliability in active learning environments. The desk features a 600×400×18mm desktop made from density board with ABS injection-molded edge banding and double-sided decorative melamine paper — offering excellent scratch and moisture resistance. The desk height is adjustable from 670mm to 790mm to accommodate students of varying sizes. The 300×450×150mm backpack basket is constructed from 0.7mm galvanized steel sheet through one-piece stamping, featuring small holes on both sides for ventilation and easy visual identification of contents. The desk frame features 30×60×1.2mm oval tubes for the floor-level base and uprights, 20×49×1.2mm oval tubes for the lift sleeves, and 20×49×1.2mm bent and welded oval tubes for the crossbars. An additional 16×1.0mm round tube basket structure with a steel wire mesh (diameter ≥4mm) provides extra storage support. The matching chair features a 400×370mm seat and 400×345mm backrest — both made from premium PE material through blow-molding, one-piece molding, offering excellent impact resistance, lightweight durability, and easy cleaning. The chair height is adjustable from 380mm to 440mm. The chair frame uses 30×60×1.2mm oval tubes for the floor-level base and uprights, 20×49×1.2mm oval tubes for the lift sleeves, and 20×40×1.2mm oval tubes for the backrest support, with a steel wire mesh (diameter ≥4mm) pocket for storage. All bottom fittings are made from high-quality nylon plastic with a rated friction resistance of ≥100,000 cycles, ensuring smooth, quiet movement and long-term durability. All steel components undergo acid pickling and phosphating pretreatment before powder coating, delivering high scratch resistance and superior corrosion protection. This set combines robust construction with ergonomic design to deliver reliable performance in demanding educational environments.
Component | Specification | Material/Note |
|---|---|---|
Overall size | 600×400×(670-790)mm | Height adjustable |
Desktop | 600×400×18mm | Density board, ABS injection-molded edge banding, double-sided decorative melamine paper |
Backpack basket | 300×450×150mm | 0.7mm galvanized steel sheet, one-piece stamping, small holes on both sides |
Under-desktop support | 20×20×0.8mm | Square tube |
Floor-level tube | 30×60×1.2mm | Oval tube |
Upright tube | 30×60×1.2mm | Oval tube |
Lift sleeve tube | 20×49×1.2mm | Oval tube |
Crossbar | 20×49×1.2mm | Oval tube, bent and welded |
Basket mesh | Steel wire, diameter ≥4mm | — |
Basket main tube | 16×1.0mm | Round tube |
Component | Specification | Material/Note |
|---|---|---|
Overall size | 400×370×(380-440)mm | Height adjustable |
Seat | 400×370mm | Premium PE material, blow-molded, one-piece molding |
Backrest | 400×345mm | Premium PE material, blow-molded, one-piece molding |
Floor-level tube | 30×60×1.2mm | Oval tube |
Upright tube | 30×60×1.2mm | Oval tube |
Lift sleeve tube | 20×49×1.2mm | Oval tube |
Backrest tube | 20×40×1.2mm | Oval tube |
Mesh pocket | Steel wire, diameter ≥4mm | — |
Component | Material | Note |
|---|---|---|
Bottom plastic fittings | Nylon plastic | Friction resistance ≥100,000 cycles |
Process | Specification | Note |
|---|---|---|
Pretreatment | Acid pickling and phosphating | Corrosion resistant, rust proof |
Coating | Powder coating | High scratch resistance |
Standard Classrooms
The height-adjustable desk and chair accommodate students of different sizes across multiple grade levels. The ABS-edged melamine desktop resists scratches and daily wear. The galvanized steel backpack basket with ventilation holes provides sturdy, breathable storage for textbooks and supplies. The durable nylon glides ensure stability on various floor surfaces.
Training Centers
The 600mm desktop width provides ample space for laptops and study materials. The height-adjustable design ensures ergonomic comfort for extended training sessions. The PE blow-molded seat and backrest are easy to clean and resist daily wear. The powder-coated steel frame withstands frequent use in high-turnover environments.
Examination Halls
The sturdy construction ensures stable, wobble-free writing surfaces during exams. The ventilated backpack basket allows invigilators to quickly inspect contents. The adjustable height accommodates students of different sizes for proper exam posture. The durable surfaces maintain a professional appearance.
Multi-Purpose Learning Spaces
The versatile height-adjustable design adapts to various activities — individual study, group work, or examinations. The durable nylon glides protect floors during reconfiguration. The easy-to-clean PE and melamine surfaces stand up to daily use across different learning activities.
The desk is adjustable from 670mm to 790mm, and the chair is adjustable from 380mm to 440mm. The desk-to-seat height differential ranges from approximately 290mm to 410mm across all settings, ensuring proper ergonomic posture for students of various sizes.
The desktop is made from density board with ABS injection-molded edge banding and double-sided decorative melamine paper. The ABS edge banding provides excellent impact and moisture protection, while the melamine surface offers scratch resistance and easy cleaning.
Both the seat (400×370mm) and backrest (400×345mm) are made from premium PE (polyethylene) through blow-molding, one-piece molding. PE is a durable, lightweight, impact-resistant, and easy-to-clean material. The blow-molding process creates a seamless, hollow structure that is both strong and lightweight.