I-SPL yasungulwa ngo-2001 futhi iyinkampani ephethwe ngokuphelele ye-Lianhe Chemical Technology Co., Ltd. (Yabelana ngekhodi 002250).I-SPL itholakala epaki yemboni yedolobha i-Baoshan e-Shanghai, inokuxhumana okuhle kakhulu nohlelo lwezokuthutha olulula, eduze nomakhelwane nomgwaqo oyindandatho wangaphandle wase-Shanghai, kanye ne-13km kude nesikhumulo sezindiza samazwe ngamazwe sase-Hongqiao, kanye ne-12km kude ne-Shanghai Railway Station.Ifektri ye-SPL yakhiwe endaweni engu-27,000m2, ehlanganisa indawo enkulu yokwakha engu-18,000m2.Le nkampani iqinisekisiwe nge-ISO 9001:2015 futhi ilandela ngokuqinile imihlahlandlela ebekwe ngaphansi kwalolu hlelo lokuphatha Ikhwalithi.