2011 March 2011, Shandong Longhua Izinto Ezintsha Co., Ltd yasungulwa. 2012 Juni.19, 2012, ulayini wokukhiqiza wethulwa ngempumelelo 2017 Ngo-April 2017, ulayini ophambili wokukhiqiza i-polyether polyol onempahla eqanjiwe ezimele wafakwa ekukhiqizeni, futhi ikhwalithi nokuthengiswa kwemikhiqizo ye-POP kukleliswe ku-No.1 ezimakethe zasekhaya. 2020 Disemba 3, 2020,IPOeShenzhen Stock Exchange 2020 NgoJulayi 2020, kwasungulwa igatsha laseQingdao. 2021 Februwari 2021, ShI-anghai Branch yasungulwa.
