{ Certificate Number Approval/Cert.no 02-004515 / 026259 Due date 2028-07-05 Valid Valid Company HUG ENGINEERING AG Country ZIP 8352 City ELSAU Street Im Geren 14 Product Type OTHER DEVICES Approval Group Type approval Product Description EMISSION REDUCTION CONTROL SYSTEM SELECTIVE CATALYTIC REDUCTION (SCR) SYSTEM VariNOx® VN