About us

We are a manufacturer

Established in 1998, Sum is a professional manufacturer and exporter dedicated to designing, manufacturing and distributing optical frames. Located in Wenzhou, Zhejiang, our factory covers an area of 500 square meters and has over 120 workers.

Efficient plant & machinery

Your glasses are individually crafted at our state-of-the-art manufacturing facility, where we utilize the most advanced optical equipment and processes.

The Future

We will continue to invest in the latest technology for the making of eyeglasses frames to offer competitive pricing as well as first-class quality. Our designers will strive to create more unique designs for your brand.

Our Brands


Cavalier, which was founded in 1998 with the goal to satisfy the needs of all prescription eyeglass consumersregardless of their age and gender, is one of China’s leading optical retail brands. Cavalier's mission is to provide the best eyeglass frames at affordable prices.


Timeless style, formality and respect are the core values of Dixon, an eyewear brand dedicated to prescription eyeglasses for businessmen. Founded in 2003 in Brazil, Dixon is now considered the best prescription brand in South America.

Become our Distributor

At Sum, we make it a point to partner with individuals and corporations with the same goal. Work with us and you can get:

Extensive Marketing Support

Latest eyeglasses designs
Professional photo shoots
Abundant marketing materials

National Sole Agency

Exclusive national distribution
Business protection

Stable Prices

After-sale support for FREE.

Cooperation Process

Step 1


You should submit your information to us using the table below.

Step 2


After we receive your application, our business consultants will get in touch with you within a short period and offer you our samples for testing.

Step 3


We will conduct a company audit of your business.

Step 4


After reaching an agreement, we will sign a contract and successfully become partners.

Step 5


Sum will offer you an extensive marketing support and protect your market.

Become A Sum Distributor

A representative will get back to you as soon as possible.

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