| Customization: | Available |
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| After-sales Service: | 24h Email & Call Services |
| Warranty: | Unavailable |
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| Refund policy: | Claim a refund if your order doesn't ship, is missing, or arrives with product issues. |
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Aspherical lenses: Advantages and disadvantages In general, aspherical lenses have the following advantages:
They provide a thinner profile
| No | Diameter(mm)*Thickness(mm) |
| 1 | 18*2 |
| 2 | 18*2 S1 |
| 3 | 20*1.5 S1 |
| 4 | 20*2 |
| 5 | 20*3 |
| 6 | 20*4 |
| 7 | 20*5 |
| 8 | 21.5*2 |
| 9 | 21.5*2 20000W |
| 10 | 21.5*2 30000W |
| 11 | 22.35*4 |
| 12 | 22.35*4 S1 |
| 13 | 24*4 |
| 14 | 24.4*2 20000W |
| 15 | 24.4*2 30000W |
| 16 | 24.9*1.5 |
| 17 | 24.9*1.5 S1 |
| 18 | 25*1.5 |
| 19 | 25*2 |
| 20 | 25*3 |
| 21 | 25*4 |
| 22 | 25.4*1.5 |
| 23 | 25.4*3 |
| 24 | 25.4*4 150000W |
| 25 | 25.4*4 20000W |
| 26 | 25.4*4 30000W |
| 27 | 25.4*4 |
| 28 | 25.4*5 |
| 29 | 26*3 |
| 30 | 26.5*5 |
| 31 | 27*2 |
| 32 | 27.5*4 |
| 33 | 28*2 |
| 34 | 27.9*4.1 |
| 35 | 27.9*4.1 S1 |
| 36 | 29.7*4.7 |
| 37 | 30*1.5 |
| 38 | 30*2 |
| 39 | 30*3 |
| 40 | 30*4 |
1. Are you a manufacturer or a trading company?
Combining geographical advantages, we have 25 years of manufacturing experience. We also collaborate with our raw material suppliers every year to develop new products to reduce material costs and offer final discounts to customers.
2. How is your company's reputation and industry experience?
During 25 years of production, we have received 98% positive feedback, and we conduct customer satisfaction surveys every year.
3. What is the production capacity of your factory?
The production capacity of our factory is 120,000 to 150,000 pieces per year, and we have the ability to expand production according to demand.
4. How do you carry out quality control and product inspection?
We implement strict quality control measures and have a dedicated inspection team to ensure that all products meet international standards before shipment. Finally, we provide customers with the production of pictures and videos.
5. May we visit your factory?
We welcome potential customers to visit our factory. Please make an appointment in advance to ensure that we can offer you a comprehensive visit.
6. Can the product be customized?
Sure, we can customize our products according to your specifications and requirements.
7. What is the minimum order quantity?
The minimum order quantity of our products is [1%]. We are willing to further discuss in case of long-term cooperation or special circumstances.
8. How long is the delivery time?
The standard delivery time is [3-5] days after the order is confirmed. If necessary, we can accelerate production as required.
9. Do you have a product catalogue?
Yes, we have detailed product manuals, including technical specifications and high-resolution images. We can provide it as required.
10. What should I do if there are quality problems with the surface treatment of the products I receive?
Please contact us immediately and provide photos and detailed descriptions. We will assess the problem and provide a solution, which may include repair, replacement or other compensation.
11. If the quality of the bulk goods differs greatly from the confirmed quality, how can it be remedied?
We guarantee that our bulk goods will meet the quality standards of the provided samples. For unlikely differences, we will immediately take corrective measures to ensure customer satisfaction.
12. Do you have any videos introducing the products?
Yes, we have product demonstration videos that can be provided upon request to showcase the features and functions of our products.
13. Do you have the technical specifications of this product?
We can provide detailed technical specifications for every product we offer.
14. Can we add the logo of our company on the packaging?
Customized packaging with your company logo is available upon request, with additional charges depending on the design and quantity.
15. Is there any discount for large orders?
We offer discounts for large orders. For details, please contact our sales team.
16. How long is the validity period of the price?
The price is valid for [90] days from the date of quotation, unless there are significant changes in raw material costs or fluctuations in exchange rates.
17. Could you send samples? Is it free? Can the shipping fee be waived?
We are very willing to provide samples for new customers. The terms of sample transportation costs depend on the destination and can be discussed upon request.
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