Advanced processing equipment and complete production system are ensure that we can effectively control every aspect of the product process to ensure product quality, and reduce losses and reduce costs!
We have participated in the national exhibitions,including optical fair in Shenzhen and Shanghai, Munich optical fair, and establish the business with many foreign customers.
FL: Effective Focal Length .
BFL: Back Focal Length. CT : Center Thinkness.
C : Lens Center.
We are the Three Di Optoelectronics Co., Ltd., located in the beautiful city of Jilin, Changchun.We have experienced engineers and skilled workers, they are the important guarantee for the higher quality products.We can ensure higher qualified rate because of the precision testing equipment.