RATO Heat Exchangers Factory was established in 1998,and initally produced the traditional shell and tubes hydraulic oil cooler. Donghua focused on hydraulic system's heat dissipating work.We keep improving the quality and do numouros R&D to find a more optimizing design for oil cooler. In year 2001,Donghua met a turning point owe to a new patented water-cooled oil cooler-YL series.YL series oil cooler is the magistral product in our factory. By the inventory design,It is widely used on all kinds of hydraulic systems,like plastic molding injection machine,die-casting machines,hydraulic press,ect.We do full items inspections to every product before shipping out,ensuring 100% quality passed for each cooler you received.We have the capacity of delivery 2000pieces monthly,but we are readily to accept the order of even only 1 piece.We gain good prestigous from domestic customers and and now also extending the market to the world.We welcome cooperations from worldwide.We have a team of knowlegable stuff to assistant your Your inquiry will be responsed within 24 hours.
