Do you provide sample? Free or charge?

Dear customer, hello! You asked whether we provide samples and whether the samples are free or charged. Since our products are all customized products, each order is designed and produced according to the specific needs of customers. Therefore, we cannot provide samples for the time being. However, we can provide you with abundant picture and video materials for your reference. These materials can clearly show our product features, process details and actual application effects, helping you better understand our products and services.