Galvanized bauer coupling with flange 1. safe, fast, easy, flexible 2. material: ... a history of 16 year * have 10 years' export experience and 3 years' import experience* explorees: more than 200Sales Focus:* ... adaptor, flange adaptor, enlarger and reducer male and female, strainer, pipe galvanized and non-galvanized7.application:irrigation, mining and tunneling, civil engineering project, ...