Qingdao Sainuo anakhazikitsidwa mu 2005, mwatsatanetsatane zina zamakono ogwira kuphatikiza kupanga kafukufuku wa sayansi, ntchito ndi malonda. Kuchokera koyamba msonkhano wina ndi mankhwala, pang'ono ndi pang'ono wamkulu mu yonse katundu kondomu ndi kupezeka dongosolo mankhwala mu China pafupifupi 100 mitundu ya mankhwala, kusangalala mbiri mkulu m'munda wa kondomu ndi kupezeka mu China. Pakati pawo, ulimi kuumba ndi malonda buku la polyethylene sera ndi EBS udindo pamwamba mu makampani.