Jingjin offer free lab test Jingjin Can Offer The Filtration Testing Free of Charge. You can mail your material to us , we do the test and give out The test report. Do the feeding material test can make us:  Find out the most suitable Technical Data.(Time, Pressure, Cake Thickness, Capacity of washing water.)  Solid content, dealing capacity , penetrability, cake resistance. Availability of cake washing. Flocculation testing of suspending liquid. Selection of filtration cloth. If you want to mail us the feeding material , please contact Mr. Lu Email： [email protected] , Mob:008613