Tus khub
TCWY kev lag luam ncav cuag ntau tshaj 20 lub xeev hauv Suav teb thiab cov lag luam txawv teb chaws suav nrog Kaus Lim Qab Teb, Russia, Nyiv, Is Nrias teb, Philippines, Thaib, Southeast Asia thiab Middle East cheeb tsam.
TCWY tau ua tiav kev koom tes nrog ntau lub tuam txhab nto moo xws li Petrochina, Sinopec, Hyundai, thiab Samsung thiab lwm yam.
