The production base is located in Zhuxian Town Development Zone, Jintan District, Changzhou City, Jiangsu Province, with a plant area of 6,000 square meters. It has a self-developed and advanced PDLC dimming film production line with an annual production capacity of 300,000 square meters. The chief scientist is led by Dr. Liang Xiao from Tsinghua University. Adhering to the spirit of innovation and excellence, the leading PDLC experimental center in China has been established, and a number of invention and utility model patents have been obtained. The STG1200/1800 type dimming glass was included in the "National Key New Product Program" by the Ministry of Science and Technology. In 2011, the People's Republic of China "Electro-LCD Interlayer Switchable Glass Industry Standard" (JC/T 2129-2012) was formulated.Huixin Technology's dimming products and solutions are applied in the fields of building doors, windows and partitions, consumer electronics, education and medical care, and have established close cooperative relations with institutions such as the China Inspection Group Glass Institute. Tonghui New Materials adheres to the concept of "Quality is the life of an enterprise" and always pursues world-class quality. Its products have passed the ISO 9001-2008 quality system certification, and it is a mainstream supplier in the European Union and Southeast Asia.