Hubei Saning Chemical Industry Co., Ltd. Caprolactam Supporting Project Annual Production of 200,000 Tons of Ammonia Energy System Optimization Project The ammonia synthesis tower was successfully hoisted once a week. The tower is currently the country's largest ammonia synthesis tower at a pressure level of 22 MPa, weighing 380 tons and 2.8 meters in diameter. The picture shows the ammonia synthesis tower hoisting site. (Chen Chuanwu/ Wen Zhengyou/Photo)
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