The advantages of plastic casing include:

1. Higher safety: Metal is conductive, while plastic is insulated, greatly improving the safety caused by leakage.

2. Lighter weight: The density of plastic is only about that of metal, which greatly reduces the weight of the product and is more economical for transportation.

3. Simple molding, no need for secondary processing: The plastic shell only requires one-time injection molding, which has an absolute advantage over multiple metal processes and processing costs.

4. More high-end appearance: Plastic products can be further optimized in terms of appearance, and various silk screen logo text process colors can be customized according to customer requirements.

5. More environmentally friendly: It has passed multiple environmental certifications and can be recycled to save energy.

6. More economical: For finished product customers, transportation of the product saves more on shipping costs and can save a lot of auxiliary material costs for the finished product.