From February 20 to 22, 2025, TCN had the pleasure of exhibiting at SIOF Shanghai, one of the largest global trade shows dedicated to optics. With over 900 exhibitors and 70,000 visitors, this event is a key reference for all industry professionals.
Why is Shanghai a key event for TCN?
China, and particularly the Shanghai region, plays a major role in optical lens manufacturing worldwide. Participating in this show allows us to:
✅ Strengthen our presence in a strategic market.
✅ Develop collaborations with international partners.
✅ Present our coloring and polishing solutions to key industry players.
A Global Commitment to Innovation
TCN is committed to international growth, constantly seeking to expand its network and provide solutions tailored to the demands of global markets. Our interactions at SIOF reaffirm the importance of customizing solutions to meet the diverse needs of the optical industry.









A Strategic Partnership with SISANOPTICS
Our presence at SIOF Shanghai 2025 was a key milestone in our international development, marking the beginning of a collaboration with SISANOPTICS (Jiangsu Shishan Optical Instrument Co., Ltd.). A recognized specialist in the distribution of optical equipment and materials in China, SISANOPTICS provides professionals with cutting-edge technologies for lens manufacturing and treatment.
Through this partnership, our dyeing and polishing solutions are now available in a strategic market, where a large portion of global optical lens production is concentrated. This collaboration allows us to offer high-quality local support with expertise tailored to the specific needs of Chinese manufacturers and distributors.

An Enhanced Presence to Meet Market Demands
By combining our expertise in coloring and polishing with SISANOPTICS’ knowledge in distribution and customer service, we are able to offer optimized solutions for the optical industry in China. This strategic alliance demonstrates our commitment to developing sustainable collaborations and supporting our partners in their technical and industrial challenges.
What's Next?
We will continue to be present at international events to share our expertise and support our partners in their projects.
A big thank you to all our visitors and to SISANOPTICS for this new collaboration! We continue our commitment to providing high-performance solutions tailored to the challenges of the optical industry.
Want to learn more about our solutions or discuss a potential collaboration?