Changchun Sunday Optics Co., Ltd., founded in 2013 and located in Changchun City—China’s renowned optical base—is a precision optical components manufacturer providing integrated capabilities in optical glass processing, coating, optical assembly, and optical design. Sunday Optics specializes in the production of spherical lenses, aspheric lenses, cylindrical lenses, optical prisms, high-precision windows, optical filters, optical mirrors, coatings, and laser lenses. The minimum lens size can reach 0.3 mm, while prism 90-degree angle tolerance can be controlled within 2″. With a strong focus on high-precision optics, surface roughness can be guaranteed down to 0.1 nm, meeting the stringent requirements of advanced optical applications.
2013
12+
The company has been established for 12 years+
100+
Annual processing capacity of 1 million pieces
01
Preliminary Contact
Customers can contact the company through the contact information provided on the website.
02
Product Selection
Customers can browse and select the desired products or services on the website
03
Request for Quotation
After determining the required products or services, submit an inquiry form through the website
04
Quotation and Negotiation
After receiving the inquiry, the company will provide a detailed quotation
05
Place an Order
After confirming the quotation, place an order through website or offline methods
06
Quality Control and Testing
Strictly implement quality control and testing to ensure that products meet the highest standards
07
Shipping and Logistics
After the product is completed, arrange for shipment and provide logistics tracking information
08
After-Sale Service
After product delivery, we will continue to provide after-sales service, including technical support and warranty services, to ensure customer satisfaction
The main characteristics of DLC coating
The hardness can reach 20 - 80 GPa (close to that of natural diamonds), with extremely strong scratch resistance. Low friction coefficient,Smooth surface, with a low friction coefficient (0.1 - 0.2), suitable for moving components Chemical inertness
2025-11-06
The new coating machine has been installed. The million-dollar cleanroom has started to operate, providing a favorable environment and technical support for coating and optical alignment.
2025-11-06
The structural design and assembly of optical lenses
Key point: Although the optical design of high-end lenses is important, it is the process of converting the design into the manufacturing, assembly, and inspection stages of the product that is even more crucial.
2025-11-06
