Seven Industrial Group

Designer and manufacturer of water and wastewater treatment equipment

With more than 30 years of activity in the field of consulting, design, construction and installation of various RO water treatment systems, wastewater treatment packages, degreasers and garbage collectors, sludge removal bridges, various water purification filters, pressure tanks and etc.

Providing the best water and wastewater treatment solutions is our specialty!

Design and engineering

The engineering unit of Haft Industrial Group performs its design process by using experienced experts and using the latest scientific methods and continuous exchange of knowledge and technical information with experts of reputable international companies.


The production unit of Haft Industrial Group is able to manufacture products used in the oil, gas, petrochemical and water and wastewater industries by employing a specialized and experienced production team under the supervision of the quality control unit as well as various ITPs.


In this unit, the installation and operation of the purchased system is fully taught to the customer or his representative, which includes the theoretical and practical steps of working with the device and testing and managing the process of the device.

Water purification equipment

Water treatment is the process by which undesirable chemicals, biological contaminants, suspended solids, and gases are removed from contaminated water for drinking or agricultural use. For water treatment, depending on the amount of impurities and its type, special water treatment equipment is required.

Wastewater treatment equipment

Wastewater treatment is the process of removing contaminants from the effluent, especially domestic wastewater, which includes chemical, physical and biological processes to remove these pollutants and provide treated wastewater that is safe for the environment. Special equipment is required for wastewater treatment according to the type and amount of impurities.

Design and production of water and wastewater treatment equipment

Relying on the technical knowledge of experts and more than 30 years of experience in designing and manufacturing water and wastewater treatment equipment in Iran, Haft Industrial Group is one of the most prominent and proud factories in the Middle East. The company has the ability to implement integrated industrial solutions in the field of storage, transfer and control of various fluids, including petroleum products, chemicals, effluents, drinking water and water supply systems, and is one of the largest manufacturers of tanks and equipment. Used in various industries including oil, gas and petrochemicals.

This group has created unique facilities for its customers with special capabilities in the field of integrating its products with different processes as well as implementing relevant control systems.

Some of our customers