Professional Optical Lens Manufacturer Since 2008

About Nanjing Bongem

As a leading optical lens manufacturer based in Danyang, China's eyewear production hub, we specialize in premium prescription lenses and custom eyewear solutions. With 17 years of export experience, our ISO 9001 certified factory serves clients in 35+ countries.

Quality Certifications

Core Product Categories

Progressive Lenses

$11-14/pair

1.56 Index Blue Cut Multifocal Lenses

Photochromic Lenses

$19-29/pair

Light-Adaptive CR-39 Resin Lenses

Blue Light Filter

$9-19/pair

UV420 Protection in Multiple Indices