1.The size as you request 2.According to the different machinery 3.The fastening of hydraulic system Specification: 1.Standard: it is based your demande that we can produce.2.Surface: handly with nigrescent and galvanized. 3.Materia: 20#,45#steel4.Function: 1)be used different machinery. 2)there are fastening of hydraulic system

hydraulic joint