Among the most important contracts completed by MHC Engineering Sp. z o.o. over the years are:

• Preparation of basic, detailed, and as-built documentation for the “Valorization installation of slag-ash mixture at the Kamień bottom ash landfill near Długołęka.” Client: RENEVIS Sp. z o.o.

• Detailed design, manufacturing, and delivery of 2 steel silos with a capacity of 200 m³, including supporting structures and service platforms for the project: “Fluidized Boiler OFz-201 with auxiliary equipment and Biomass Storage and Feeding System at Jaworzno III Power Plant – Unit II.” Client: Rafako SA

• Technical design, manufacturing, and delivery of belt conveyors and chutes for the project: “Discharge from Bottom Ash Bins Power Plant “KOSTOLAC” in Serbia.” Client: Clyde Bergemann Materials Handling Doncaster/England

• Replacement basic design for the “Biomass feeding installation for the project “Expansion of OP-150, K10 boiler for biomass combustion, including storage, preparation, and transport of biomass to the boiler at Stalowa Wola Power Plant.” Client: Transsystem SA

• Static and strength analysis of a 142-ton steel structure, including technical assessment. Client: Energomontaż Zachód Wrocław Sp. z o.o.

• Static and strength calculations of the steel structure of the biomass transfer station B2 related to road reconstruction. Client: ZEC Service Sp. z o.o.

• Technical designs of structures, detailed design, and author supervision for the “Biomass feeding installation for the project “Expansion of OP-150, K10 boiler for biomass combustion, including storage, preparation, and transport of biomass to the boiler at Stalowa Wola Power Plant.” Client: RAFAKO SA