Laminated Glass for Screen price Guangzhou Huichi lndustrial Development Co.,Ltd. Guangzhou Huichi Industrial Development Co., Ltd. is an independent research and development and production of PDLC smart film (original film) company. PDLC smart film is the core raw material for manufacturing smart switchable glass. Huichi is one of the top manufacturers who can master the mass production technology of PDLC film at present. http://www.smartglassproject.com/