Our haixing filter company's wedge wire construction allows the fabrication of high performance screw press screen gravitary type or high pressure compactor type.The normal internal axial wire can reach small filtration rate, while keeping high tolerance on slot opening. By playing on supports ( Type and spacing)and if necessary adding a perforated plate, the screw press screen can be designed for very high pressure, while keeping high tolerance on inside diameter.Please tell us your demand and then we design ,manufacture for you.