SD-Optronics was established in 2012, is a professional Switchable Smart Film manufacturer.

Committed to the development, production, manufacture high-quality electronic control LCD glass intima substrate (also known as: PDLC), adopting with the state of the art technology and selfdesigned & developed of the most advanced (automation / Roll to Roll) process machine equipment and produce the high quality and stable products, to the human health, the Earth's sustainable green building concept, adhering to the innovation and development, attention to technology upgrades and product updates is SD-Optronics of the conduct of the development of the source.