CHUANGRONG ndi kampani yogulitsa magawo ndi malonda, yomwe idakhazikitsidwa mu 2005 yomwe imayang'ana kwambiri pakupanga mapaipi a HDPE, ma valve olumikizira, ma PPRipes, ma valve olumikizira, ma compression fittings ndi ma valve, komanso kugulitsa makina olumikizira mapaipi apulasitiki, zida zamapaipi, cholumikizira chokonzera mapaipi ndi zina zotero.
Kulumikiza kwa payipi ya HDPE kuyenera kudutsa mu kukonzekera zinthu, kudula, kutentha, kuwotcherera matako osungunuka, kuzizira ndi zina, makhalidwe akuluakulu a magwiridwe antchito abwino, kukana dzimbiri bwino, kulimba, kusinthasintha, mawu oyamba otsatirawa a "masitepe ndi makhalidwe olumikizira payipi ya HDPE".
Kulumikiza kwa payipi ya HDPE kuyenera kudutsa mu kukonzekera zinthu, kudula, kutentha, kuwotcherera matako osungunuka, kuzizira ndi zina, makhalidwe akuluakulu a magwiridwe antchito abwino, kukana dzimbiri bwino, kulimba, kusinthasintha, mawu oyamba otsatirawa a "masitepe ndi makhalidwe olumikizira payipi ya HDPE".
Kulumikiza kwa payipi ya HDPE kuyenera kudutsa mu kukonzekera zinthu, kudula, kutentha, kuwotcherera matako osungunuka, kuzizira ndi zina, makhalidwe akuluakulu a magwiridwe antchito abwino, kukana dzimbiri bwino, kulimba, kusinthasintha, mawu oyamba otsatirawa a "masitepe ndi makhalidwe olumikizira payipi ya HDPE".
Kulumikiza kwa payipi ya HDPE kuyenera kudutsa mu kukonzekera zinthu, kudula, kutentha, kuwotcherera matako osungunuka, kuzizira ndi zina, makhalidwe akuluakulu a magwiridwe antchito abwino, kukana dzimbiri bwino, kulimba, kusinthasintha, mawu oyamba otsatirawa a "masitepe ndi makhalidwe olumikizira payipi ya HDPE".
