ShangHai HoHo Industry Co., Ltd. is a state-level high-tech enterprises. Professional company engaged in dimming glass (STG), light (STF) film, liquid crystal film (LC-STF) R & D, production and sales, the dimming glass products industry leading enterprises.HOHO Film is a technology that allows the colour of the film to go from transparent to non-transparent. It gives you the option for privacy on demand by adjusting the amount of light traveling through your glass window.