while having sufficient support. It also takes button design that can adjust the elasticity at your random.??Feature 20 days after sample confirmation.Q: What is your payment terms?A: Usually we prefer to the payment 30% T/T in advance and 70% balance before shipment.Q: Do these products have certificates?A: Yes, we have CE certificate now and if you need other certificates, don’t worry abou it. We will provide to you later.