In 1959 in a small verandah of a house in the bustling city of Agra, India, with just 4 hand operated single spindle machines began the journey, to become India’s largest lens manufacturer, GKB Hi-Tech, satisfies more than 5 million spectacle wearers worldwide every year. With a total manufacturing area of more than 150,000 sq.ft., GKB Hi-Tech is always up to date with the latest technological advances in the optical industry.