Changzhou Tonight Opto-Electrical Technology Co., Ltd. is an enterprise specialized in making liquid acrylic LED signs and letters, developing new technology and promoting new materials. Our company is one of the earliest enterprises introducing LED technology as light resource of luminous letters. We have rich experience of making liquid acrylic signs.

Our company researches and develops unsaturated resin acted as main material for making luminous signs and letters. This technology was exhibited in Shanghai International Advertisement Fair in 2001. We have kept on improving materials and production process for many years and surged an epoch-making revolution in sign industry. Our luminous black letters, luminous golden letters, and luminous silver letters have been developed successfully. The technical difficulties that black letters, golden letters and silver letters can not be sparkled at night have been thoroughly solved. Our LED signs made with special-purpose unsaturated resin have high finish and brilliant color. In order to facilitate trade experts to understand and accept it, we have named it as liquid-state acrylic and liquid acrylic. Now, our products are widely applied in sign industry.

As the existing production process is constantly improved, we have continuously developed patented products, such as aluminum edge bandings, LED lamp letters, LED colorful profile letters, and special-edge casting letters and luminous signs.