Q1: Can I get some samples? Yes, some samples are free, others maybe need a little fee, please check with our sales. But the freight would be collected and we will pay back if you place order. Q2: Do you accept OEM for customer's brand? Yes, but MOQ will be required. Q3: Do you have the certification? Yes, we have CE, ISO, TUV, BSCI, etc Q4: Do you have inspection procedure before shipping? Yes, we do 100% QC inspection before shipping. Q5: What's the delivery date? Samples are 5-7 days and production is around 30 days. Q6: How about the after-sales service? Just tell us the problems after receiving the products, then we will help you deal with it.