... ?> NO,it's included in the unit price already. 3.How about the quality ?> Meet CE,FDA, Factory passed the SGS ... small order ?> Yes,support sample order and small order 5.How much for 1pc sample ?> $50/pcs,if have stock> $150/pc ... for you 7.how long for make a sample?> 7~21days depend on the samples complexity 8.Does this Sample cost refundable or not ...