Durable Fruit Box Mould R&D Mould is a leading plastic crate mould manufacturer in China, supplying various crate mould. Fruit Box Mould With the characteristics of smooth surface, durable, good loading capacity and long service life of 5-8 years. Molds Technical Point 1. Choose the correct steel for mould base and mould core & cavity steel. Control the hardness of each piece of steel material, it can't be too hard. 2. The moving area and guiding system of plastic crate mold must be processed by high precise machine. Any hand working is not acceptable. 3. Plastic crate mould exhaust system at the handle area is a very important subject, because when move the loaded crate, the handles area is the biggest force focused. If mould exhaust system at the handle area is not good, it will leave a visible weld, the product is very easy to damage from this point.