Filter press filter plate is common plate and frame type, chamber type, diaphragm type; filter plate material: reinforced polypropylene filter plate, glass fibre polypropylene filter plate, rubber diaphragm filter plate, high-pressure polypropylene diaphragm filter plate, cast iron filter plate, stainless steel filter plate and so on. The filter plate can be divided into: middle feeding, corner feeding, upper and middle feeding, etc. According to the feeding method, the filter plate can be divided into: middle feeding, corner feeding, upper and middle feeding. Users can choose the suitable material of filter plate according to the different requirements of production process of their own products.