To making a good blade fan is not very easy.As balance and vibrate is very important.The mold maker have to proceed more than three times mold try running. When we make over the molds,we will bake the plastic raw material before the try running.Why need to bake the raw material before try running–Plastic materials contain moisture, must be dried during production, otherwise the product has defects such as material flowers.In order to ensure the quality of products, plastic materials are […]

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