... KS ( JAPAN/KOREA), API, AWWA,, MSS, NF in various materialFlange for pipe work system is providing easy access ... , Germany, Spain,nertherland ,Russia, Italy ,U.A,E, Malaysia , Japan, South Korea and Taiwan,so on ... won praise and trust from customers. We can also manufacture special application flanges and forging parts ... cases or as customers request. Where can I buy the high quality flange?Ring Flange