The industry involves: 

 Gasification device, PP, MTO, DMTO, synthetic ammonia, urea, etc. 

 Application product type: 

 Medium/high pressure regulating valve; medium/high pressure hard seal cut-off ball valve; axial flow multi-stage step-down control valve; maze-type multi-stage step-down control valve; black water gray water angle valve; slag lock valve; high-pressure oxygen valve; eccentric rotary control valve; gate valve; three-eccentric butterfly valve, track ball valve, etc.