Shenzhen, Guangdong, China,
Shenzhen DongZheng Optical Technology Co., Ltd. is a modern privateenterprise , the company devote oneself to optical industryfor 10 years. Involved in field of security, visioninspection, medical, military scientific research, laser ,lighting, ...
fa industrial lens , hd security camera, telecentric lens , the laser beam expander and focusing mirror , f-theater field lens , visual detection filters , polarizers , turning prism and other products
