● Usually, we will provide samples for customer testing and confirmation before mass order
● Samples will be provided free of charge within a week
● If the sample requires us to purchase special parts or tools, or if the quantity of samples is high or the value is high, we may charge a sample fee
● Samples are generally delivered by express (DHL, UPS, FEDEX, TNT, SF) and can be received within a week in most countries
● Customer needs to bear the freight of the sample