Chongqing  Ewha Oil Filtration Machine Co.,Ltd is a professional leading manufacturer of oil purifiers and oil testers.  We have tremendous strength in the fields of research, development and manufacturing with professional mass-production ability, perfect sales network, excellent after-sales service as well as a perfect image we earned in the competitive market.    

Ewha Oil Purifiers are widespread in the fields of Electric Power, petrifaction, Mineral, Shipbuilding, Steel Construction, Bridge, Automobile and Railway, playing a great role in the way of reducing energy consumption for the clients and meanwhile the environmental pollution.


Our oil filtration machine:  
Series ZY Single-Stage Vacuum Transformer Oil Purifier
Series ZYD Double High Vacuum Transformer Oil Purifier
Series ZYB Multiply-Function insulating oil treatment machine
Series TY Turbine Oil Purification Apparatus
Series TYA Lubricating oil/ hydraulic oil purification unit
Series TYB Portable light Fuel oil purification machine
Series TYD Vacuum dehydrator
Series TYF Phosphate ester fire-resistance oil purifier
Series PL Plate pressure oil purifier
Series TYD Vacuum dehydrator
Series EFD Explosion protection filtration machine
Series BAM Press filtration system
Series ZKCC Vacuum pumping device
Series COP Cooking oil purification machine
Series CYS Centrifugal oil purification machine
Series JL Portable oil filtering and oiling machine  

Our oil tester/ analyzer:
Series IIJ-II Insulating oil breakdown strength tester(oil BDV tester)

Series HTJS-H Insulating oil dielectric tester (dielectric loss tester for insulating oil)

Series HTJS-V Tan-Delta Tester (anti-jamming dielectric loss tester for HV electrical equipment)
Series TP-3A Water content tester/ moisture sensor
Series TPV-8 Viscosity analyzer
Series TPC-2100 Flash point analyzer (close cup)
Series TPO-2100 Flash point analyzer (open cup)
Series CL-3 Interfacial tension analyzer