1.Q: What's your best price for this glasses? A: We will quote you best price according to your quantity, so when you making an inquiry, please let us know the quantity you want. Thank you.   2: Q: What's your MOQ? Can I mix styles and colors? A: For ready in stock goods, MOQ is 20pcs/model/color.  You can order different styles and colors. For goods not have in stock, MOQ is 1200pcs/model (can mix 2-3 colors)   3: Q: Should we pay for sample cost? A: Well, it is depends, if sample for free, customers should take care of express charge. If we request customers to pay sample cost, they will surely get the refund after order confirmed finally.   4: Q: What is your lead time? A: For ready in stock goods, we usually deliver in 3-5 working days since payment received. If for new producing orders(not have in stock goods),usually 30-45days since deposit received.   5: Q: Do you offer other service? A:Yes, if you need our help on purchasing any goods, just send us your demand details, we will do our utmost to help you, and reply to you as soon as we can. We also can be your purchasing agent in China to do all export jobs for you.   6:Q:What about the warranty? A: We are very confident in our products, and we check very single piece and pack them very well, so usually you will receive your order in good condition. But to avoid any subsequent trouble regarding quality issue, we suggest that you check the goods once you receive them, and let us know the details if there is any damaged ones, so that we can deal with it.