Firstly, we need to clear that what is the Christmas decorations, these kind products firstly design and product the model, then use the LED lights and the glue, after cooling, the decorations is basically OK, before the making decorations, we need to make sure the LED lights works normally, after finishing the decorations, we also need to check the lights work or not. Besides, we also need to make sure the products waterproof properties., most Christmas decorations will be used outdoor, which need the waterproof, so as the manufacturer, we need to ensure the decorations safety, also we also use on-toxic harmless material, which is important...

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