Pa Meyi 14, maphunziro awiri, "Kuyerekeza Mapangidwe Osalowa M'madzi" ndi "Magulu Okhazikika a Magulu Opanda Madzi a Asphalt", adachitika pakampani yoyamba yoyendetsa phula ya PetroChina yopanda madzi.Awa ndi maphunziro awiri oyamba omwe adakhazikitsidwa mazikowo atavumbulutsidwa pa Epulo 29.

Monga gawo loyamba la oyendetsa ndege la China Petroleum loyesa phula lopanda madzi, bungwe lofufuza zamakampani amafuta amafuta ndi Jianguo Weiye Gulu ndi magawo ena adzadzipereka kupititsa patsogolo ndikugwiritsa ntchito zinthu zatsopano za phula lopanda madzi, chitukuko chamgwirizano cha phula lopanda madzi ndi zinthu zina zothandizira, komanso chitukuko chaukadaulo pamaphunziro awa a Kusinthana, kuchita ntchito yofufuza pakugwiritsa ntchito mafakitale azinthu zopanda madzi.Idzakhala maziko opangira masinthidwe azinthu zatsopano ndi matekinoloje atsopano a PetroChina, zomwe ndizofunikira kwambiri kufulumizitsa kupititsa patsogolo ndikugwiritsa ntchito zinthu zamafuta amafuta a PetroChina osalowa madzi ndikupereka zinthu zabwinoko komanso zotsika mtengo za phula lopanda madzi kwamakampani osalowa madzi.

Monga mankhwala apamwamba m'banja la asphalt, phula lopanda madzi lakhala mtundu waukulu kwambiri wa asphalt kupatula msewu wa asphalt.Chaka chatha, malonda aku China amafuta osalowa madzi a asphalt adafika matani 1.53 miliyoni, ndi gawo la msika wopitilira 21%.