Packing: By carton. Also it depend on your requirement.

Shipping: By sea or by air. It will depend on your requirement.

Q: What is the material can you offer?

 A: Rubber material including silicone, nature rubber, NBR rubber, Viton.

 Q: If we need OEM products, what should we provide?

 A: Design drawing inlcuding all the size

 Q: Can you provide the samples?

 A: Yes, if we have the samples you need in stock, the samples will be free. And you just need to pay a little mol