2011 Maehech 2011, Shandong Longhua Rawa Hou Co., I whakaturia a Ltd. 2012 Hune.19, 2012, I pai te whakarewatanga o te raina Production 2017 Paenga-whāwhā 2017, i whakauruhia te raina whakangao polyether polyol me nga taonga hinengaro motuhake ki te hanga, a ko te kounga me te hoko o nga hua POP kei te No.1 i te maakete o-roto. 2020 Hakihea 3, 2020,IPOi Shenzhen Stock Exchange 2020 Hōngongoi 2020, i whakaturia te Peka o Qingdao. 2021 Hui-tanguru 2021, Shka whakaturia te Peka anghai.
