(Expansion joint diameter 3700 design pressure 2.1Mp thickness 40mm for 3.2 million tons annual light hydrocarbon comprehensive processing and Utilization Project)

(Expansion joint diameter 1600 thickness 28mm design pressure 5.0Mp for the maleic anhydride project)

(130,000 tons of acrylonitrile per year and 500,000 tons of ABS project, expansion joint diameter 2600, design pressure 5.5Mp thickness 50mm)