1. Where is the landing port? Shanghai or Ningbo. 2. Can I take samples? Of course. We will provide samples, sample fees will be returned to you when you order. 3. what is sample cost&sample delivery time? Sample fee: The sample fee is free, the customer only needs to pay the shipping fee. Delivery time :7 days OEM samples: Price and delivery time depend on design and customer requirements. 4. Can I put my own logo on the sunglasses for small order? How much it will cast? Yes, we can put your logo on the sunglasses, logo is engraved by laser, we will send you photo for confirmation before engraving, the cost depends on the quantity of small order. 5. what about the feedback? We value our customers in every way. If you are satisfied with our products and services we will appreciate you leave your positive feedback and 5 stars. If somehow our product does not satisfy your need.It is very much appreciated if you contact us first and see what we can do to make it better. We will try to make every purchase you do with us go flawlessly with all our hearts. And we are destined to solve any problem arises just so your purchase with us is satisfied.Semi-frame transparent anti-blue light glasses, literary and simple, men and women can wear a pair of anti-blue light glasses, simple lines outline polygonal lattice, shiny and full metal texture. This glasses frame is metal and PC material, light and flexible, skin feel comfortable, do not pinch the face; Double reinforcement hinge, strong and durable anti-blowout, more delicate and beautiful; Environmentally friendly silicone nose pad, soft silicone, for you to wear, no pressure nose without red marks, not easy to slide; Stereo cutting mirror leg, fine texture, no ear clip; Thin lens, high transmittance, anti blue light, filter harmful blue light, protect eyes, prevent myopia. Glasses suitable for electronic use, daily wear, etc., or girls without makeup can also wear them. Integral lens is worn lightsome, wear comfortable lightsome also.