Q1. How about your optical lens production ability per day?
A: About 40000 pairs / day.
Q2. When will I get the reply from seller?
A:Within 24 hours due to the time difference. We will reply you as soon as possible.
Q3. Could you provide free samples for customers checking the quality before they place the order?
A: Yes, of course. For those customers who are really interested in our products, if the quantity is reasonable, we would be very glad to provide our samples after get the detailed instructions from the customer.
Q4. What is the term of payment?
A: 30% deposit in advance,70% balanced paid before shipment.
Q5. What's the delivery Time?
A: For your first test order, we will try to deliver after 20 days. Normally, the production time should be 22-30 days for an order like 50,000 pairs. The exactly deliver time depends on your items & quantity.
Q6. Are you a factory?
A. Yes, we are a professional optical lens manufacturer over 30 years and we have a factory located in Danyang city, Jiangsu province.
Q7. How do you control lens quality?
A. Producing process is in vacuum dust-free shop, for example prepare material, mixed material and take out . Usually we will check 2-3 times during production process.