... advanced hydropneumatics,so machine running is steady,good repeatabilityØ Precision Manufacturing Technology, high degree of accuracy;Ø Acid resistant alkaliproof ... machine),380~415V/50~60Hz(for vacuum)2.Gas supply:0.4~0.6Mpa3.Precision of single tube acid filling:≤± ... ~2000MTL-FCK30×1630300~3000MTL-FCK50×165010272200250500~5000 High-precision & Vacuum acid filling machine for small sealed battery