Tongrui Used Industrial Oil Filtration and Recycling Equipment Chongqing Tongrui Filtration Equipment Manufacturing Co.,ltd is a professional and famous manufacturer in oil purifier industry, we have the unique technology and formula which are most advanced in the world . Our products are largely used in electric power, oil petroleum gas, mine, machinery manufacturing, steel, metallurgy, chemical industry, railway station, aviation, shipping etc. large enterprise. We are able to satisfy all kinds of lubrication oil filtration requirements. We can offer different settle blue print according to customers’ special demands to ensure safety production and lower cost. Our customers are covering more than 30 provinces and districts. Nowadays we are actively widening market overseas. Our products have been sold to Europe, America, Asia etc. more than 40 countries and areas and welcomed by extensive customers. We abide by the purpose of quality first, customer first, we are gladly serve for do