Vacuum Transformer Oil Purification Machine And Hydraulic Oil Filtration With Full Automatic System We are factory from Chongqing City In China. VBOLT high quality oil purify machine is highly applied for power plant, power station, electricity company, power transformation industry, railway industry transformer manufacturing company, metallurgy, petrochemical, mechanical engineering, transportation, railway and transformers manufacturing etc. It can effectively improve the service life of oil products, multi-level precise filtration. Itâ??s with full automatic control system can 24 hours work, working 800 hours without any stop with explosion-proof. Please Contact at export @ cnvbolt.cn whatsapp: +86 17815350249