More than 30 petrochemical and refinery companies clients, some are listed below
Tehran Oil Refining Company
Supplying gas turbine gears. Duman has been rewarded for them in 2016
as the top supplier of Tehran refining company
Tabriz Petrochemical Company
Supplying crown wheel and pinion of SUMITOMO gearbox of Tabriz Petrochemical Company’s cooling towers in 12 sets with satisfactory performance certificate of customer. Manufacturing 3 sets of gear and shaft for SUMITOMO SPEED REDUCER for Tabriz Petrochemical Company. Supplying sintered metallic powder filtering. Supplying O-ring and PTFE diaphragms for a variety of pumps.
Manufacturing and supply of various types of grid and stainless steel foil, stainless steel shafts, sight glasses and precision punched sheets.
Tabriz Oil Refining Company
Supplying of helical gears and crown wheel pinion for Hansen gearbox companies in 6 sets.
Supplying 15 sintered metallic powder filtering.
Shahid Hasheminejad Gas Refining Company ( Khangiran )
Manufacturing of 60 sets of FLEXIBLE COUPLINGS)
Gachsaran oil and gas company
Manufacture and supply of FILA DELPHIA pinion and crown wheel gearbox in 12 sets.
Aria Sasol Polymer Company
Construction of 1300 hangers with a variety of materials such as stainless steel and Inconel.
Shazand oil refining company
Manufacturing Demister Pad
Kangan Gas Power Plant
Supplying crown wheel&pinion in 4sets for FILA DELPHIA gearboxes.
Shiraz Oil Refining Company
Supplying gear and vertical pinion shaft 2 sets.
Suppling matched Spiral bevel gears in 2 sets.