... a history of 16 years* have 10 years' export experience and 3 years' import experience* explorees: more than 200 Sales ... steel or S/S3.parts: male tail, female tail, lever ring and rubber ring4.size: 2", 3", 3-1/2",4",6 ... adaptor, flange adaptor, enlarger and reducer male and female, strainer, pipe galvanized and non-galvanized7.application:irrigation, mining and tunneling, civil engineering project, ...