Shanghai Conant Optical Co., Ltd. is a globally leading manufacturer of resin spectacle lenses. We are capable of providing comprehensive and customized services to customers worldwide.
We are the second largest resin lens manufacturer globally in 2024 by production volume, and the largest manufacturer in China.
We ranked the fifth globally by revenue in 2024 and are the only China-based company among top five lens manufacturers.
Leveraging on our extensive experience in the spectacle lens industry, our markets cover over 90 countries, including but not limited to the PRC, the United States, Japan, India, Australia, Thailand, Germany and Brazil.

With the production facilities of our three production bases, i. e. Shanghai Production Base and Jiangsu Production Base in China and Sabae production base in Japan, the group is able to produce different specifications of resin eyeglass lenses according to customer requirements. In addition, the utilization rate of our production bases for the year ended 31 December 2024 exceeded 85%
Our Shanghai Production Base, Jiangsu Production Base and Sabae production base are all certified in accordance with ISO 9001:2015 for their quality management system.
We are mainly engaged in the standardised and customised lens production and sales. As far as standardised lenses are concerned, we have a list of standardised lenses which we provide to our customers with reference prices. You can choose from the above list according to our needs.
On the other hand, in the case of customised lenses, as the products are made to the specifications and requirements of the customers, the prices vary in different cases depending on the complexity of the products.