Q:Can you supply free samples? A:Yes,we can. Q:What is your MOQ? A:Generally our quotation is based on 1X20'GP quantities. Q:Do you have any certificate ? A:some of our products are with certificate, if you want to do certification, pls tell us, we will consider to make it as fact. Q: how is your product packaging? A: usually according to the customer's requirements. Commonly used packaging information: small bundle, large bulk packaging, some sizes with plastic cover to protect both ends, seaworthy packaging. Q: if there is a quality problem with the product, what will you do? A: we will be responsible for all quality problems to the end.