... flanges,blind flanges,thresded flanges and plate flanges etc,with specification from1/2"(DN15) to 80"(DN2000 ... ,America,Japan,Southeast Asia,Middle East and Africa etc. We have got plenty of experiences during several ... flanges of DIN,ANSI,BS,JIS,UNI,NS and AS,GB,HB,JB etc. We can also manufacture ... ,America,Japan,Southeast Asia,Middle East and Africa etc. We have got plenty of experiences during several ...