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Over 40 years
since its founding, WEC has proudly achieved: 28 items of national
patents, over 180 items prizes accredited by the State and
provincial levels, in which prilling nozzle was awarded as the only
national golden prize of the Chemical Industry in China. Meanwhile,
WEC possesses a group of professional experts in urea and
cryogenic fields.
WEC’s Proprietary Technologies
（1）Ammonia production proprietary technology with feed
stocks as coal coke, heavy oil, residual oil, naphtha, light oil,
natural gas and coke-oven gas
（2）Urea production plant
proprietary technology
（3）Large-scale phosphoric acid production
plant proprietary technology
（4）Melt urea based compound
fertilizer production plant proprietary technology
（5）Ammonium
nitrate production plant proprietary technology
（6）Ammonium
phosphate production plant proprietary technology
（7）Phosphate
based compound fertilizer production plant proprietary technology
（8）Soda ash production plant proprietary
technology
（9）Caustic soda production plant proprietary
technology
（10）Sulfuric acid production plant proprietary
technology
（11）Nitric acid production plant proprietary
technology
（12）Hydrochloric acid production plant proprietary
technology
（l3）Acetic acid production plant proprietary
technology
（14）Low pressure method methanol production plant
proprietary technology
（15）Methyl carbonate production plant
proprietary technology
（16）Diethyl carbonate production plant
proprietary technology
（17）One-step method DME production plant
proprietary technology
（18）Epoxy resin production plant
proprietary technology
（19）Polypropylene production plant
proprietary technology
（20）Nylon-11 special resin production
proprietary technology
（21）Large scale low temperature
refrigerated warehouse design proprietary technology
（22）Large
scale oil tank farm design proprietary technology
（23）Large
scale city wastewater treatment design proprietary technology
（24）City garbage power design proprietary
technology
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