Q: Are you trading company or manufacturer ?We are factory.Q:Is the quality of your products stable?The company has a complete QC system, and each batch of products will be sampled and the samples will be kept for 5 years.Q:Can you do OEM?Yes, of course. We can produce the products as your request.Q: Do you provide samples ? is it free ?Yes, we could offer the sample for free charge but do not pay the cost of freight.Q: How long is your delivery time?Generally it is 5-10 days if the goods are in stock. or it is 10-15 days if the goods are not in stock, it is according toquantity. Q: What is your terms of payment ?Payment<=5000USD, 100% in advance. Payment>=5000USD, 30% T/T in advance,balance before shipment.If you have another question, please feel free to contact us at any time.