Left picture: Qicheng Huagong 1.6 million tones per year catalytic cracking unit coaxial settler- regenerator fragment welding and fractionation tower & three cracking units segmented welding on site.
Above 2 pictures: Lianmeng Shihua and Qirun Huagong 800,000 tones per year catalytic cracking unit coaxial settler- regenerator segmented welding on site.
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