Qingdao Sainuo aasaasay sannadkii 2005, waa shirkad teknoolojiyad sare oo dhamaystiran keenidda-soo-saarka, cilmi sayniska, codsiga iyo iibka. Laga soo bilaabo mid ka mid ah aqoon-isweydaarsiga ka hore iyo wax soo saarka, waxa uu si tartiib ah u koray galay alaab-saarka sifaynta iyo kala firidhsan nidaamka ugu dhameystiran ee Shiinaha iyada oo ku dhowaad 100 noocyada kala duwan ee wax soo saarka, riyaaqayaa sumcad sare berrinkii sifaynta iyo firidhsan in Shiinaha. iyaga ka mid ah, kootada wax soo saarka iyo iibka mugga wax polyetylen iyo EBS darajo sare in industry ee.