Pa Meyi 14, maphunziro awiri, "Kuyerekeza Mapangidwe Opanda Madzi Opanda Madzi" ndi "Magulu Okhazikika a Magulu A Asphalt Osalowa Madzi", adachitika pachimake pa chomera choyamba cha PetroChina chopanda madzi. Awa ndi maphunziro awiri oyamba omwe adakhazikitsidwa mazikowo atavumbulutsidwa pa Epulo 29.

Monga gawo loyamba loyendetsa 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 latsopano lopanda madzi ndi zinthu zina zothandizira, ndi chitukuko. zaukadaulo pamaphunzirowa Kusinthanitsa, gwiritsani ntchito kafukufuku wamafakitale wazinthu zopanda madzi za asphalt. Idzakhala maziko opangira masinthidwe azinthu zatsopano ndi matekinoloje atsopano a PetroChina, zomwe ndizofunikira kwambiri kufulumizitsa kupititsa patsogolo ndikugwiritsa ntchito zinthu zamafuta a phula a PetroChina osalowa madzi ndikupereka zinthu zabwinoko komanso zotsika mtengo za phula lopanda madzi pamakampani osalowa madzi.

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