1. Solid materials are used to effectively protect the product. 2. Good elasticity, not easily deformed, suitable for multiple uses. 3. Quality control, layer by layer quality inspection, to ensure product quality.

1. Solid materials are used to effectively protect the product. 2. Good elasticity, not easily deformed, suitable for multiple uses. 3. Quality control, layer by layer quality inspection, to ensure product quality.

1. Solid materials are used to effectively protect the product. 2. Good elasticity, not easily deformed, suitable for multiple uses. 3. Quality control, layer by layer quality inspection, to ensure product quality.