1. what certificates do you have? We have a CE,FAD.inspection:BSCI 2. Can I mix color for my order? Yes, you can place mixed color order. 3. could i use my own logo or design on goods? Yes OEM is welcome, we can make your logo by engraved, pad printing, transfer, printing. 4. the supply of goods The goods are sufficient. If there is an occasional shortage, please feel free to choose and we will negotiate to solve it as soon as possible 5. Is the price negotiable? Yes, the price we quote is based on the quantity for the order. You will get more discount absolutely if you order more.Retractable and pull-legged magnifying glasses, the conventional magnification is 1.6 times, and the appearance can be customized. According to the length of the temples of the customer, the desired length can be adjusted through the adjustable temples. Our company is a professional manufacturer of various types of sunglasses. In the export market, there are mainly: the United States, Japan, Europe, East Asia and other regions. Have a certain amount of export value every year. And in the cooperation experience, we have also established long-term and stable cooperative relations with many major customers. It is the best choice for retailers and online stores to choose suppliers. About our product packaging. 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. If the customer has requirements for the outsourcing of the product, we can also customize the production according to the customer's needs. In other categories, we also have related glasses cases, glasses cloths, glasses bags, etc. Available for purchase.