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1. What would you recommend?
2. Can you tell me more about the product?
3. What is the minimum order quantity?
4. What are the payment terms?
5. How long will it take for delivery?
6. Is there any discount available?
7. Is the product in stock ?
8. Can we have the sample for testing ?
9. Is there a catalog available?
10. What is the best price you can offer?
11. Can you confirm the delivery date?
12. Have you had any experience with this kind of product?
13. What is your lead time for production?
14. Do you have any other related products?
15. What is the shipping method?
16. Can I have a copy of the certificate?
17. Is there any discount for bulk orders?
18. Could you send me a quotation for this item?
19. What is your return policy?
20. What about the warranty for this item?