Here are the specifications for export-quality oranges:

1. Size: Oranges should be medium to large, with a uniform size (usually between 2.5 to 3.5 inches in diameter).

2. Color: Vibrant orange color, free from any green patches or discoloration. A consistent color is important for high quality.

3. Shape: Oranges should be round or slightly oval with a smooth, well-formed shape.

4. Skin Quality: Thin, smooth, and firm skin. It should be free from bruises, cuts, scars, or wrinkles.

5. Weight: Typically, export-quality oranges weigh between 150 grams to 300 grams per fruit.

6. Taste: Sweet and tangy flavor with a high juice content. Oranges should be fresh and ripe.

7. Firmness: Firm and not soft. There should be no soft spots or over-ripeness.

8. Packaging: Packed in well-ventilated, sturdy cartons or crates to avoid bruising. Ensure proper cushioning to maintain freshness.

9. Pest and Disease-Free: No signs of pests, molds, or diseases. The fruit should be free from any external or internal blemishes.

10. Storage: Oranges should be harvested at the right maturity stage and stored in temperature-controlled environments to maintain quality.

11. Origin Label: Clearly labeled with the country of origin, certification, and other necessary export documentation.