  Are you trading company or manufacturer ?
  We are manufactory.

  How long is your delivery time?
  Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.

  Do you provide samples ? is it free or extra ?
  Yes, we offered sample, but freight is for your account

  What is your terms of payment ?
  Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance    before shippment.