APPLICATION: Preparation of ultra pure water: Primary purification water for industry; Pre-treatment for preparing ultra pure water; Pre-treatment for desalination of sea water; Terminal treatment of ultra pure water for electronic industry. Environment protection industry: Deeply treatment of waste water in industry; Recovering of waste water in city and industry; Recuperating useful substance of waste water; Food and drinking industry: Preparation of drinking and drinking water; Purifying and preparing mineral water; Clarification and separation of fruit juice; Purifying low wine; Processing food and recuperating useful substance; Eliminating protein; Application in sugar industry; Ferment industry: Separating and refining enzyme; Concentration and refinement of enzyme; Technical specifications: UF 4021/ 4040/ 8040 Medicine industry: Water treatment for medicine; Separation and refinement of extractive solution of traditional Chinese medicine; Eliminating heat source for aseptic water and syringe water in medicine Advantage: 1. Polypropylene As food & beverage grade raw material, no poison residue, no adding additives in the production; 2. Better chemical stability, acid & alkal-proof, heat-resisting and anti-bacteria; 3. Dsigned as external force style, easy for cleaning, strong anti- pollution capacity; 4. The internal structure of fiber more compact, high strength, not easy to break; 5. Uniform and density in the distribution of micro-pore, higher filtration precision, faster flux, stronger ability to accommodate dirt; 6. Hollow fiber membrane just keep moist, not much protective solution, great convenience to the transport, storage, maintenance