Hi, my name is Mr.Cheung I am interested on this product, looks like is a high quality, I sell products online at a low price and I think this is a good product for my store. I have a few questions: 1. What is the price for 300pcs 500pcs 1000pcs2. How much is the shipping by air and sea?3. Is it possible to receive a sample of the product? 4. Could you please send me some pictures of the product and packing? 5. Can you also send me the certification which is required for the importation to Europe. Like the CE-Certification (EN-71 part 1-3) and ROHS. Thank you so much for your time. I look forward to do great business together. Show More