COMPANY LIMITED SIAMEAST SOLUTIONS PUBLIC COMPANY LIMITED SIAMESE ASSET PUBLIC COMPANY LIMITED SIAMGAS AND PETROCHEMICALS PUBLIC COMPANY LIMITED SIAMRAJ PUBLIC COMPANY LIMITED SIAMRAJATHANEE PUBLIC COMPANY
SIAMEAST SOLUTIONS PUBLIC COMPANY LIMITED SIAMESE ASSET PUBLIC COMPANY LIMITED SIAMGAS AND PETROCHEMICALS PUBLIC COMPANY LIMITED SIAMRAJ PUBLIC COMPANY LIMITED SIAMRAJATHANEE PUBLIC COMPANY LIMITED SIKARIN
from Italy. The patent can be renewed every five years. With this production technology, DKC is the first company in the world to pass the IEC61439-6 standard, Fully type tested, certified by LOVAG