Changchun Dongya Optical Co., Ltd. is a Hong Kong invested joint venture enterprise. We specialize in producing and processing optical components, designing and manufacturing optical equipment, and the R&D of diversified optical lenses.

Founded in February of 1999, our company is staffed by more than 650 personnel of which are 70 engineering technicians. Boasting more than 400 advanced processing equipment imported from abroad, we have solid capabilities for design, research and production, particularly for optical lens processing.

Presently, our processing capacity for small lenses has reached 3,000,000 per month and over 50,000 diversified gun collimation mirrors and telescopes. In the midst of fierce market competition, we have established wide cooperative relationships with the customers both at home and abroad and have distributed our products throughout China, Southeast Asia, Europe and America.

Based on the wide technical exchange and cooperation, we will constantly absorb advanced technology and build "HL" as a renowned brand in the international market. We need more friends to support us in the future. By cooperating with us first-class quality and after-sales service is guaranteed.