1. Q: Are you manufacturer? A: We are a comprehensive state owned enterprise, with several production bases and research centers in Domestic China.Headquarter lies in Beijing, capital of China. 2. Q: Can you send one sample to us? A: We can send you samples as you requested, but sample cost is needed, after you place order, we can return your money back. 3. Q: Can you make samples as provided design? A: Samples can be made exactly according to buyer's requests and we can guarantee you will be satisfied with our counter samples. 4. Q: Do you accept OEM order? A: Yes, we have full experience of OEM orders. 5. Q: Do you have QC system? A: Yes, we do. We have 3 times strict inspection before packing. 6. Q: What is your payment term? A: We can accept both T/T and L/C at sight, If you have any other payment requirement, please leave message or contact our online salesman directly.