Q1. Can I place a sample order? A1: Yes, we welcome sample order to test and check quality. Mixed samples are also acceptable. Please contact us for a stock list. Q2. What about the lead time.A2: A sample order requires 3-5 days; mass production time takes 2-3 weeks, depending on the order quantity & styles. Q3.How do you ensure the quality? A3: We have our own professional quality inspection team, if the defective rate is above 2%, we will take the responsibility for any quality problems caused by our side. Q4. How long the plating color will be keep? A4:Our products' color can keep 2 to 3 years or even longer,because of our pvd gold plating technology. Q5. Do you offer after-sales warranty service? A5:Yes, We provide 24 hours after-sales service, we offer half to 1 years after-sales warranty service, but you need pay the shipping fee. Q6. What's the standard of the material quality? A6: All our products have CA pro65 and EC1907/2006 inspection certificate .