Thaum Lub Tsib Hlis 14, ob txoj kev tshawb fawb, "Kev Sib Piv Ntawm Cov Txheej Txheem Dej Tsis Zoo" thiab "Txoj Kev Txhim Kho ntawm Cov Pab Pawg Dej Tsis Txaus", tau ua tiav nyob rau hauv tag nrho viav vias ntawm PetroChina thawj cov dej tsis zoo asphalt pilot cog. Cov no yog thawj ob qhov kev tshawb fawb tau pib tom qab lub hauv paus tau nthuav tawm rau lub Plaub Hlis 29.

Raws li Tuam Tshoj Petroleum thawj qhov kev sim ntsuas lub hauv paus rau waterproof asphalt, roj roj tuam txhab kev tshawb fawb lub koom haum thiab Jianguo Weiye Group thiab lwm yam units yuav tau cog lus rau kev nce qib thiab daim ntawv thov ntawm tshiab waterproof asphalt khoom, kev koom tes kev loj hlob ntawm tshiab waterproof asphalt thiab lwm yam auxiliary khoom, thiab kev loj hlob. ntawm kev siv thev naus laus zis ntawm lub hauv paus kev sib pauv kev cob qhia, ua haujlwm tshawb fawb txog kev lag luam ntawm cov khoom siv dej asphalt. Nws yuav dhau los ua lub hauv paus rau kev hloov pauv ntawm cov khoom siv tshiab thiab cov thev naus laus zis tshiab ntawm PetroChina, uas yog qhov tseem ceeb rau kev nrawm nrawm thiab siv PetroChina cov khoom siv dej tsis zoo asphalt thiab muab cov khoom lag luam zoo dua thiab pheej yig dua asphalt waterproof rau kev lag luam waterproof.

Raws li cov khoom lag luam siab kawg hauv tsev neeg asphalt, asphalt waterproof tau dhau los ua ntau hom asphalt tshwj tsis yog txoj kev asphalt. Xyoo tas los, Tuam Tshoj cov roj av tsis muaj dej asphalt muag tau txog 1.53 lab tons, nrog rau kev lag luam feem ntau tshaj 21%.