The technical department of Petro Parsian and Farid Mehr South, using its years of experience as a contractor in 1375, began its activity independently and from the very beginning, using the experience of the past and the experienced team, became one of the most active and successful Most of the companies in the commercial sector have been manufacturing and installing strokkers, installing equipment and piping, and hot and cold insulation in the industry.
This complex is currently implementing some of the country's most important projects, utilizing successful experiences in cooperation with state-owned companies and Khosse.
Some activities of this group:

- 15,000 inches of pipe diameter - Shazand Petrochemical Company of Arak - Site 5 of Mahshahr Special Area
- Capacity of 15,000 inches in diameter - Isfahan Petrochemical Company - Mahshahr Special Area
- Execution of 15,000 inches of pipe diameter - Exquisite Chemistry Terminal Company - Mahshahr Special Area
- Capacity of 20,000 inches diameter pipe - Maroon Petrochemical Company - HP Unit Mahshahr Special Area
- Capacity of 10,000 inches diameter pipe - Maroon Petrochemical Company - PP Unit Mahshahr Special Zone
- Capacity 15,000 inches diameter pipe - Maroon Petrochemical Company - EO / EG Unit Mahshahr Special Area
- Capacity of 60,000 inches of pipe diameter - Karun Petrochemical Company - Unit 232-231-230 Mahshahr Special Area
- Capacity of 40,000 inches in diameter - Fajr Petrochemical Company - Mahshahr Special Area
- 35,000-inch pipe diameter - Fajr Petrochemical Company-Mahshahr special zone
And…
-Heater Thermostat (Steam Heater Terraces Line) - Mobarakeh Industrial Estate in Isfahan
- Isolation and layout of steam and hot and cold water insulations - 14,000 m - Isfahan Municipality Recycling Terminal
- Insulation of pipelines and reservoirs - 20,000 meters - Korea Vanak Company (Isfahan)
- Insulation and sheet laying of instrumentation lines, pipes and tanks - Ghadir Iranian Branch (Isfahan)

The commercial technical department of Petro Parsian has the ability to fully supply the materials used in the refineries. The available material samples can be summarized as follows:
Types of valves
GATE VALVE VALVE - NEEDLE VALVE - GLOBE VALVE - BALL VALVE - PRESSUR REDUCING VALVE - CONNECT VALVE - VALVE VALVE - SAFETY VALVE - STRAINER VALVE - BUTTERFLY VALVE - STOP VALVE - CHECK VALVE and ... in different sizes, classes and standards.
Types of fittings:
Knee (ELBOW) - Three Way (TEE) - REDUCER - UNION - Four Way (CROSS) - REDUSER CON - REDUCER ECCENTR - COUPLING - PLUG - and ... BUTT WELDING - SCROLL and SOCKET.
Types of pipes:
SEAMLESS STEELS - WELDED PIPES IN SIZE, STANDARD AND STANDARD
Types of sheets:
STAINLESS STEEL, CARBON STEEL, aluminum sheet, galvanized sheet (and galvanized sheet), hardwax sheet (anti-wear), and all kinds of fireproof sheets.
Insulation
Insulation of pipes and tanks, Technical group, Commercial Petro Parsian (with a subset of Shojaei brothers contractors), enjoying years of experience in the field of cold and hot insulating all kinds of tanks and pipes. Readiness to provide services to well-known employers throughout the country. From the resume on hot and cold insulation:

- Visiting in Vendor Shahrari, Isfahan.
-Heater Thermostat (Steam Heater Terraces Line) - Mobarakeh Industrial Estate in Isfahan
- Isolation and layout of steam and hot and cold water insulations - 14,000 m - Isfahan Municipality Recycling Terminal
- Insulation of pipelines and reservoirs - 20,000 meters - Korea Vanak Company (Isfahan)
- Insulating and printing of instrumentation lines, pipes and tanks - Ghadir Iranian Branch (Isfahan) and ...