HAIZE.HAIZE, located in Rizhao City, Shandong Province, was established in April 2012. It has consistently dedicated itself to the manufacturing of pressure vessels for petrochemical, coal chemical, and fine chemical industries, as well as desalination and environmental protection machinery. HAIZE holds an A2-grade pressure vessel design and manufacturing license, GC2-grade pressure pipeline installation, repair, and modification qualification, along with ISO 9001 Quality Management System Certification, ISO 14001 Environmental Management System Certification, and ISO 45001 Occupational Health and Safety Management System Certification. Its primary products include: premium silos, propylene oxide storage tanks, storage tanks, heat exchangers, recovery columns, washing columns, and distillation columns.