1: Can I get a sample before order in bulk?1.Yes, Sample in stock are available. 2: How can I pay for the samples? Delivery time?2.Payment insurance order,T/T,PaypalWe have samples always in stock, we can make delivery in 1-3 working days by DHL/UPS/TNT etc. Normally will be your office within 3-5 working days.3.: Are you factory? Can you manufacture the beauty device as I wish?3: Yes, We are the source factory with our own R&D team. OEM & ODM are available.4.: What is the delivery time of OEM orders? 4.: 15-25 working days upon order details confirmed.