... oil, mutual inductor oil and circuit breaker oil etc. It is the first devoloped and designed product in our country ... reliable far-infrared heating system and optimizatized pipeline design make it no” bad-oil zone.”8.The voltage-withstand value ... Accepted(oil filtration,oil purification,oil treatment,oil purifier,oil recycling,oil processing,oil filtering,oil filtration,energy saving,oil regeneration ...