Jingjin offer free lab test Jingjin Can Offer The Filtration Testing Free of Charge. Jingjin offer free operating training Jingjin Offer Training free of charge. We train freely of What spare part should be reserved? Questions about the spare parts How about the accessory equipment? Our engineer will give out the accessory equipment according to our model selection What kind of feeding material can be filtered by the filter press? Many customer want to know if their material can be filtered by the filter press. What industry need filter press? The filer press can be used in many industries.