Specifications: 1.48 heads, for producing U, semi-spiral, spiral, T4/T5 straight and round tubes. 2.3 seconds per head, 1200pcs/hour, adjustable speed 3.Power supply: AC220/380V 50HZ three phase four wire system, design power 50KW, actual power consumption about 40KW. 4.Mercury filling: automatic external filling, amalgam and mercury both supported and shifted by PC. 5.Cooling: water cooling. 6.Heating: electric heating or gas heating. 7.Electrolyzing: AC constant current source. 8.PC control and operation interface.