Here is the English translation of the provided technical specifications for the school desk and stool:

Desk Panel Specifications

Dimensions: 600mm × 420mm × 30mm (±5mm)
Material: Must be molded in one piece using Grade A virgin ABS impact-resistant plastic.
Impact Resistance: Must withstand hammering with a 5-pound mallet without cracking. No recycled materials allowed.
Design: Reinforced load-bearing structure at the bottom. One square steel tube (15mm × 30mm × 1.0mm wall thickness) is embedded flush with the panel bottom and secured with screws.
Book Box Specifications

Material: Molded in one piece using Grade A virgin PP impact-resistant plastic compliant with national standards. Tough and not brittle.
Dimensions: Inner height: 145mm; inner depth: 360mm; inner width: 450mm. Plastic hooks on both sides are molded integrally with the book box.
Features:
Drainage slots at the bottom for ventilation and drainage.
Recessed area at the front for storing small stationery items (e.g., pens, erasers, blades, cloth).
Minimum of 42 drainage slots; the box tilts backward by 2–3 degrees to prevent items from falling forward.
Reinforcing ribs at the bottom for added strength.
Desk Frame Specifications

Material & Shape: Oval steel tubes, welded using CO₂ full-penetration welding.
Tube Dimensions:
Floor legs: 30mm × 60mm × 1.2mm flat-oval tube.
Lower legs: 30mm × 60mm × 1.2mm flat-oval tube.
Adjustable upper frame tube: 20mm × 49mm × 1.2mm flat-oval tube.
Book box fixing tube: 20mm × 40mm × 1.2mm flat-oval tube (U-bent).
Crossbar: 20mm × 40mm × 1.2mm flat-oval tube.
Bag Rack: Equipped with a bag rack made of a combination of 3.5mm solid steel bar and 16mm round tube, as shown in the diagram. Mesh size ≤ 50mm × 50mm.
Surface Coating: High-quality brand powder coating applied after welding, baked at high temperatures for scratch and wear resistance. No peeling over prolonged use.
Adjustability: Left and right legs feature punched holes for height adjustment. Secured with M8 screws. Adjustable in 30mm increments per level.
Foot Pads

Material: Molded in one piece using PP reinforced with fibrous plastic.
Stool Specifications

Dimensions: 365mm × 365mm (±5mm)
Material: Molded in one piece using Grade A virgin PP plastic.
Impact Resistance: Must withstand hammering with a 5-pound mallet without cracking. No recycled materials allowed.
Steel Structure:
Material & Shape: Oval steel tubes, welded using CO₂ full-penetration welding.
Tube Dimensions:
Floor legs: 30mm × 60mm × 1.2mm flat-oval tube.
Lower legs: 30mm × 60mm × 1.2mm flat-oval tube.
Crossbar: 20mm × 40mm × 1.2mm flat-oval tube.
Surface Coating: High-quality brand powder coating applied after welding, baked at high temperatures for scratch and wear resistance. No peeling over prolonged use.
Adjustability: Same as desk—secured with M8 bolts, adjustable in 30mm increments per level.
Foot Pads: Molded in one piece using PP reinforced with fibrous plastic.
Appearance Requirements

No cracks, breaks, visible repairs, or significant color variations allowed.
Edges must be smooth and rounded; no sharp corners, burrs, or delamination on visible or hidden surfaces.
Flatness & Stability

Screws must be tightly fastened. Desks and stools must stand stably without wobbling.
Color Options

The color scheme shown in the reference diagram is for guidance only; custom colors can be selected based on requirements.
Desk Height

Fixed height: 78cm
Adjustable heights: 75cm / 72cm / 69cm
This translation maintains technical accuracy while ensuring clarity for manufacturing or procurement purposes. Let me know if you need any refinements!

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