1.Is the price negotiable? Yes, but only for the order that over 600pcs. More items you buy, more discount you'll get. 2.What is your sample policy ? 1. We will provide the free shipping samples for your inspection ,if we have available models. You just pay the freight .The shipping fee will be refunded you in bulk order. 2. If you need to make new sample ,the sample charge are 3 times as much as the unit priceof this model,then the cahrge will be returned to you after placing the order to us. We have own design team and do the technical drawing for your confirmation before makeing new model. 3. We usually send sample by Fedex,DHL or UPS ,if you hae carrier account ,it will be convenient for both of us .If you don't have a relevant ,you can pay the shipping fee throuth the paypal ,then we send the sample to your address 3.How long is the sample lead time? We could arrange the existing samples express delivery immediately .It will only 3 days into your hand.For making new sample,it will spend within 35 days. 4.How do you make our business long-term and good relationship ? 1.We keep good quality and competitive price to ensure our customer benefit . 2. We respect every customer as our friend and we do business and make friends with them.No matter they come from. 5.What is the package? 1pc in polybag;12pcs in a white box;300pcs in a cartonClassical 1.6 times magnification one-piece PC lens magnifying glasses, can be customized magnification notes, frame material, etc. If the customer has other requirements for the lens function, we can quote the customized price according to the order quantity required by the customer. As magnifying glasses, its characteristics are: fashionable reading glasses magnifying glasses. For product packaging, we have a fixed packaging method, and we can also customize production according to customer requirements. If there is no special requirement, our company's packaging is a single pair of glasses in a PE bag, 12 or 20 pairs in a white box, and 300 or 500 pairs in an outer box. For different customized sunglasses, we will have different production requirements.