The advantage of rotational moulding:1. The cost of plastic rotational mould is low,compared with injection mould and blow mould2. The edge of rotational moulding products can reach more than 5mm3. Variety kind of inserts can be placed to rotational mould, and manufacture the products with brass inserts, firm enough.4. The shape of rotational moulding products can be very complex, big and small products.5. Rotational moulding products can be produced fully closed.6. Rotational moulding products can be filled with foam material, to achieve thermal insulation.7. No need to adjust the mould, the thickness of rotational moulding products can be adjusted.as your requirement.8. It’s available to deal with a variety of surface patterns and produce products in various colors. Mix color is also can be manufactured.