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ZYTJ_05
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 400×600×18mm 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 640mm 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 20×20×0.8mm square tube under-desktop support, 20×40×1.0mm oval tube basket front connection, 20×40×1.2mm oval upper tubes, and 30×50×1.2mm oval lower tubes. A backpack hook made from 6mm steel bar with welded construction is rated for loads ≥10KG, providing convenient bag storage. The matching chair features a 410×375mm seat and 415×225mm 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 360mm to 450mm. The chair frame uses 20×40×1.2mm oval tubes for the upper frame, 30×50×1.2mm oval tubes for the lower frame, 20×40×1.0mm connecting tubes, and 15×30×1.5mm oval tubes for under-seat support. 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 | 400×600×(640-790)mm | Height adjustable |
Desktop | 400×600×18mm | 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 |
Basket front connecting tube | 20×40×1.0mm | Oval tube |
Backpack hook | 6mm steel bar, welded | Load capacity ≥10KG |
Upper frame | 20×40×1.2mm | Oval tube |
Lower frame | 30×50×1.2mm | Oval tube |
Component | Specification | Material/Note |
|---|---|---|
Overall size | 410×375×(360-450)mm | Height adjustable |
Seat | 410×375mm | Premium PE, blow-molded, one-piece molding |
Backrest | 415×225mm | Premium PE, blow-molded, one-piece molding |
Upper frame | 20×40×1.2mm | Oval tube |
Lower frame | 30×50×1.2mm | Oval tube |
Connecting tube | 20×40×1.0mm | Oval tube |
Under-seat support | 15×30×1.5mm | Oval tube |
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 |
Component | Parameter | Value | Note |
|---|---|---|---|
Desk | Overall size | 400×600×(640-790)mm | Height adjustable |
Desktop | 400×600×18mm | ABS edge-banded | |
Backpack basket | 300×450×150mm | 0.7mm galvanized steel | |
Under-desktop support | 20×20×0.8mm | Square tube | |
Basket front connection | 20×40×1.0mm | Oval tube | |
Backpack hook | 6mm steel bar | ≥10KG | |
Upper frame | 20×40×1.2mm | Oval tube | |
Lower frame | 30×50×1.2mm | Oval tube | |
Chair | Overall size | 410×375×(360-450)mm | Height adjustable |
Seat | 410×375mm | PE blow-molded | |
Backrest | 415×225mm | PE blow-molded | |
Upper frame | 20×40×1.2mm | Oval tube | |
Lower frame | 30×50×1.2mm | Oval tube | |
Connecting tube | 20×40×1.0mm | Oval tube | |
Under-seat support | 15×30×1.5mm | Oval tube | |
Fittings | Material | Nylon plastic | ≥100,000 cycles |
Coating | Pretreatment | Acid pickling + phosphating | — |
Finish | 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 depth 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 steel backpack hook provides convenient bag storage.
The desk is adjustable from 640mm to 790mm, and the chair is adjustable from 360mm to 450mm. The desk-to-seat height differential ranges from approximately 280mm to 430mm 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 (410×375mm) and backrest (415×225mm) 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.