In response to the urgent notice of the Qingdao municipal government organizing the enterprise to resume production immediately, our company decided to resumption of work on March 1st.In order to prevent and control the epidemic after the resumption of production, our company will check the personnel, prevent and control the epidemic situation before starting work every day, take the temperature of the company's

Infrared sensitizing dye, belongs to the cationic sensitizer, surface properties of cationic decided the dye sensitization effect, infrared sensitizing dye mainly offset printing as the main object,

STUDY ON THE SYNTHESIS AND PROPERTIES OF CHROMATICITY-IMPROVED OPTICAL PET