hat
Hebei Diefei Valv co, Ltd, ki te etabli an 1986, se yon faktori espesyalize rasanble mwayen an ak pi ba devlope tiyo presyon, manifakti ak vann ansanm.
eng
Hebei Diefei Valve Co., Ltd., which was established in 1986,is a specialized factory gathering the medium and lower pressure valve developing, manufacturing and selling together.