Qingdao Qingtian Mazingira Engineering Co, Ltd ni biashara ya pamoja ya China na kigeni, iliyoanzishwa mwaka 1995, ni kampuni ya mapema ya ndani ya kitaalamu katika vifaa vya mazingira, ni kampuni ya chini ya Qingdao Xingfi nguo nguo nguo nguo nguo nguo nguo nguo nguo nguo nguo nguo nguo nguo nguo nguo nguo nguo nguo nguo nguo nguo nguo nguo nguo nguo nguo nguo nguo nguo nguo nguo nguo nguo nguo nguo nguo nguo nguo nguo Hasa kushiriki katika utafiti wa mchakato wa kiufundi katika maeneo mbalimbali ya matibabu ya maji, vifaa vya uzalishaji wa viwanda, uhandisi kubuni ujenzi, nk. Bidhaa kuu ya kampuni ni mbalimbali mfululizo wa turbocharged hewa floating mashine, hewa ya hewa floating mashine, aeration mashine, scraper mashine, mafuta scraper mashine, mchanganyiko mchunganyiko mchunganyiko mchunganyiko mchunganyiko mchunganyiko mchunganyiko mchunganyiko mchunganyiko mchunganyiko mchunganyiko mchunganyiko mchunganyiko mchunganyiko mchunganyiko mchunganyiko mchunganyiko mchunganyiko mchunganyiko mchunganyiko mchunganyiko mchunganyiko mchunganyiko Kampuni ya Youngsten ina lengo la "kuendeleza sayansi na teknolojia, kusimamia uchafuzi wa mazingira", inataka kushirikiana kwa dhati na marafiki wa jamii zote ili kuendeleza maendeleo ya biashara ya ulinzi wa mazingira na kufikia matarajio mazuri ya Blue Sky.