... or screwed into such systems and then jointed with bolts. Introduction of FlangeSpecializes in producing flanges, forged ... on”, “boss””lap joint”, “ socket weld”, “threaded” and also “blind”.We export to America, Canada, Germany, Spain ... Malaysia , Japan, South Korea and Taiwan,so on.And we won praise and trust from customers. We can ... customers request. We can produce high quality and best price Flange