provide free samples?-Yes, we can provide free samples for quality testing.What package do you use?-Usually, packing as shrink + color inner box + color outer carton box.Do you accept OEM for customers brand?-Yes, we do, but need MOQ for mass production. If take our brand, less quantity with mix sizes are accepted.What is your payment term?-Usually TT 30% deposit, and clear the balance before shipping or against copy of B/L.Do you have after-sales services?-We have complete after-sales serv