... pls come up with the questions you want to ask, such as their material,size,usage etc.in word, you ... order to us. We charge shipping cost only.(2).as for the product structure, the sales will send ... buyers(2). By air(3). By Express, such as TNT,DHL,EMS,FEDEX,UPS6. After-sale service short ... . But particularly, we will have its relevant arrangement. As for regular customers, we will offer the sample free, ...