1. Are you a trading company or factory? We're the earliest manufacturer of PP hollow sheet in china. 2. How do I know your quality. High solution detailed photos and sample will be able to verify our quality. 3. Can I get a sample first? And how does it charge? Yes, free sample is available with freight collect or prepaid. 4. Can you make products from our designs? Yes, we do OEM and OBM. 5. What’s payment ? T/T, L/C, D/P,WESTERN UNION etc.