China Drying Network News Recently, the 50,000 tons of maleic anhydride project invested and constructed by Yunwei Company, a subsidiary of Yunnan Coal Chemical Group, was completed and put into production. The project started construction in July last year, with a total investment of over 200 million yuan, using the world's most advanced benzene fixed bed catalytic oxidation, molten salt recycling heat recovery, partial condensation recovery of liquid maleic anhydride, xylene constant boiling dehydration , decompression Distillation integrated process, energy saving and environmental protection. The annual output value of this project can reach 550 million yuan. RTG Rubber Tyre Container Gantry Crane RTG Rubber Tyre Container Gantry Crane,Adjustable Gantry Crane ,Crane Trolley ,Overhead Bridge Crane Overhead Crane Co., Ltd. , http://www.nbcraneseries.com