... ( JAPAN/KOREA), API, AWWA,, MSS, NF in various materialFlange for pipe work system is providing easy ... weld”, “threaded” and also “blind”.We export to America, Canada, Germany, Spain,nertherland ,Russia, Italy ,U.A,E, ... won praise and trust from customers. We can also manufacture special application flanges and forging ... cases or as customers request. Where can I buy the high quality flange?Ring Flange