Equipped with advanced ion beam polishing machine, large edging machines capable of handling up to 300mm diameter lens. 

ZY-Photonics also has 50 sets of ROC generating machine, fine grinding, polishing, chamfering, and coating machines, we proudly own top-tier spherical optics manufacturing facilities in China.

ZY‑Photonics is equipped with advanced metrology instruments for high‑precision optics. Our facilities include ZYGO 4" interferometer, ZYGO white‑light interferometer, spectrophotometer, stitching interferometer for lenses up to 300 mm, two 6" Shine interferometers, and dual‑path centering tester. These ensure strict quality control for surface form, spectral performance and centering error accuracy.

With over 30 years of experience in high-precision spherical lenses, windows, domes and other optical components, ZY‑Photonics has a highly skilled team dedicated to delivering precision parts with stable quality and reliable short lead times. 

From raw material selection, cold processing to optical coating, we ensure consistent delivery and outstanding customer satisfaction.

ZY-Photonics has been accredited with a full set of authoritative qualifications,including the Zhenjiang Engineering Technology Research Center for Optical Glass Lens,National High-tech Enterprise Certification,Jiangsu AAA Enterprise for Quality, Service and Integrity,and Weapon Equipment Quality Management System Certification. In addition, ISO 9001 Quality Management System Certification acquired.