1) ISO9001:2000 2) anode dia is 16mm~21mm, 21.3mm, 22mm, core dia is 2.0mm, 3.0mm, 3.4m 3) Reputation and Quality first 1), Product Information We can supply the various types of magnesium anodes according client requirement. I need the chemical composition, length, thread(3/4NPT), anode dia and core dia of Bar-type anode that you need, we can machining according your demand. Main application: ...