2011 UMarch 2011, Shandong Longhua Izinto Ezintsha Co., Ltd yasungulwa. 2012 Juni 19, 2012, ulayini Wokukhiqiza wethulwe ngempumelelo 2017 Ngo-Ephreli 2017, ulayini wokukhiqiza we-polyether polyol onqenqemeni onempahla yengqondo ezimele wafakwa ekukhiqizeni, futhi ikhwalithi nokuthengiswa kwemikhiqizo ye-POP kukleliswe ku-No.1 emakethe yasekhaya. 2020 Disemba 3, 2020, IPO eShenzhen Stock Exchange 2020 Julayi 2020, Qingdao Branch yamiswa. 2021 Februwari 2021, Shi-anghai Branch yamiswa.
