摘要
China Research Institute of Daily Chemical Industry held the“2020(11th)National Seminar on Sulfonation/Ethoxylation Technology and Marketing”in Tongren,a beautiful place in Guizhou province between November 24th and 26th.A total of over 140 experts,scholars and delegates from the sulfonation/ethoxylation sector in China attended this meeting.Geng Tao,president of China Research Institute of Daily Chemical Industry,delivered the opening remarks.