Kev Ua Haujlwm Ntawm Kev Sib Koom Kho Lub Nozzle Tau Ua tiav

Tuam Tshoj Huanqiu Tarim project, qis-kub ua kua ethylene kho lub taub hau, tsis kub, lub taub loj, tuaj yeem hloov pauv cov khoom lag luam tag.