Q1: How to build your lens? A1: Please let me know the lens material/size/color/function coating.
Q2: Can you offer the sample for testing? A2: Yes, please let me know the specification and quantity you needed. And the freight charge will be paid by you.
Q3: How long is the delivery time? A3: Around 30~35 work days when mass producing. If possible, please let me know the specification and quantity you wanted. We will check it soonest.