... Diametre: 1.) 40mm, 45mm, 50mm, 55mm, to 100mm. 2.) 122mm, 150mm, 200mm, 250mm 300mm to 500mm.Length: 1.) 1metre, 1.5metres, ... graphite electrode if you are requriements.We welcome the new and old clients to visit our factory at any times and welcome you to contact with ... me so that i shall send our quotation to you immediately ...