Custom diameter 50mm focal length -50mm optical glass bk7 double concave lens with coating

Q1. Are you a factory?
A1. Yes, we are a professional manufacturer of optical components, we have more than 20 years experience in optical cold working.

Q2. What is the MOQ of your products?
A2. No MOQ for customer if our product is in stock,

Q3: Can I custom the products based on my requirement?
A3.Yes, we can custom the material, specifications and optical coating for your optical components as your requirement.

Q4. How can I get sample from you?
A4. Just send us your requirements, then we will send samples accordingly.

Q5. How many days will samples be finished? How about mass products?
A5. Generally, we need 1~2 days to finish the sample production. As for the mass products, it depends on your order quantity.

Q6. What's the delivery time?
A6.  (1) For inventory: the delivery time is 1-3 working days. 
      (2) For customized products: the delivery time is 7 to 25 working days. According to the quantity.

Q7. How do you control the quality?
A7. More than four times quality inspect during production process, we can provide the Quality test report.

Q8. How about your optical lens production ability per Month?
A8. About 20,000pcs/Month. According to the detail requirement.