Column Internals of all kinds is available in ZEHUA, a leading player in mass transfer industry in China, or even the world. 1, Purpose: Mass Transfer 2, Service field Oil Refinery -CDU -VDU Hydrotreater -Merox Treater -Hydrocracker -FCC -Delayed Cocker -Desulfidation Natural Gas Processing -Natural Gas Dehydration -NGL Recovery -Desulfidation -Claus Sulfur Recovery Chemical & Fertilizer -Acetic Acid -Urea - -Phosphate Aromatic -Butadiene -Ethylene -Methanol -Alcohol -Benzene -Anhydride 3, Product lines Column Trays -EDV Valve Tray (most commonly used tray in China with proven higher efficiency over V1 valve) -V1 Valve Tray -Bubble Cap Tray -Sieve Tray -Dualflow Tray -Baffle Tray -Side to Side Pan Column Packings -Structured Packing (Plastic, Ceramic, Metal) -Random Packing(Plastic, Ceramic, Metal) Column Internals -Liquid Inlet Distributor -Gas Inlet Distributor -Hold-down Grid -Support Grid -Demister