The filtration precision of fine filtration level is as follows:（1）1～5μm for insulating oil. （2）10～20μm for lube oil and turbine oil under 46﹟.（3）20～50μm for internal combustion engine oil and gear oil The following two factors affect the choice of filter precision:1. The need for oil. For example,
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Chongqing TOP Tester Co.,LTD belongs to Chongqing TOP Group which is located at Chongqing city--a southwest electromechanical manufacturing center as well as national municipality. We are a sci-tech enterprise and integrate development, design and manufacture.