High-Quality Custom Tempered Borosilicate Sight Glass for Lighting Applications

Our premium optical glass is meticulously packaged in adaptable cartons, ensuring the utmost safety and protection during transit. Available in a variety of sizes - 20*25*15cm, 45*40*25cm, and 60*50*35cm - we guarantee that your optical filters are securely housed, ready to reach you in perfect condition.

Experience assured peace of mind with our delivery promise: receive your order ahead of schedule or benefit from a 10% compensation for any delays. Every transaction enjoys the highest level of security, thanks to our robust SSL encryption and PCI DSS data protection standards. In the rare event of a shipment error, missing items, or product issues, rest assured you'll receive a full refund. With ***.com's comprehensive buyer protection, your orders are always in safe hands, from payment to delivery.

Nestled in the picturesque Haian county of Nantong City, Jiangsu Province, China, Nantong Fowo Trading Co., Ltd. stands as a beacon of excellence in the optics field for two decades. Just a three-hour bus ride from the bustling metropolis of Shanghai, our factory welcomes esteemed clients from all corners of the globe to experience first-hand our unwavering commitment to quality and innovation.

Q1: Are you a factory or trading company?
A: We are a factory. We have been in the optics field for 20 years.

Q2: Where is your factory located? How can I visit there?
A: Our factory is located in Haian county, Nantong City, Jiangsu Province, China, about 3 hours bus ride from Shanghai. All our clients, from home or abroad, are warmly welcome to visit us!

Q3: Can I customize the products based on my need?
A: Yes, we can customize the material, specifications and optical coating for your optical components based on your needs.

Q4: What's your MOQ?
A: (1) For inventory, the MOQ is 1pcs.
B: (2) For customized products, the MOQ is 10pcs-20pcs.

Q5: Can I get the sample to test before the mass production?
A: Sure, we would like to offer the sample for you to test our quality before large order.

Q6: How to pay?
A: T/T, Western Union, Secure payment, Credit card and Trade Assurance payment on *** and etc.

Q7: What's the delivery time?
A: For inventory: the delivery is 2 workdays after you place the order.
B: For customized products: the delivery is 1 or 2 workweeks after you place the order.

Q8: How to ensure the safety of payment?
A: FOWO is the gold supplier of *** and supports *** Trade Assurance. We value our reputation in this field.