... .FAQ. Questions about the order cooperation,If not included below, pls feel free to contact with us. ●. Sample cost:For most products, 1 ... sample is free, but the customer need to pay the shipping cost, But for the expensive items and OEM samples,please check ... , such as DHL, UPS,TNT and so on.7.Home Page. Welcome come back to us Home Page 8.You May like.