● CHONTO Construction Co. - HCMCity

● Coteccons Corporation - HCMCity

● Eva Company, Ltd - Hanoi

● Hanmy Company, Ltd. - HCMCity

● Hung Tu Ltd Pte - HCMCity

● ICHTHANH - Bien Hoa, Dong Nai

●  Tan Phat Korean Industrial Pipe and Trading - Danang