About us
Nowadays water is worth as oil and seen as an element similar to it, demand for it increases but its supply and processing is limited. population growth and industrial developments, directly and indirectly, and on the other hand limited water resources, have increased water pollution, Therefore, due to the scarcity of fresh water sources in the world, human beings have forced to supply some of their water requirements from other sources such as seas, rivers and even effluents to conserve freshwater resources and sustainable resources development.
Nowadays water is worth as oil and seen as an element similar to it, demand for it increases but its supply and processing is limited. population growth and industrial developments, directly and indirectly, and on the other hand limited water resources, have increased water pollution, Therefore, due to the scarcity of fresh water sources in the world, human beings have forced to supply some of their water requirements from other sources such as seas, rivers and even effluents to conserve freshwater resources and sustainable resources development.
LIAN TADBIR Engineering Company was established with a focus on water scarcity crisis to implement the projects in water and wastewater industry and expanded its activities in the power, oil and gas industries and now by relying on its successful previous background in water treatment of river and sea and reuse of municipal and industrial wastewater, with creative and efficient human resources and taking advantages of the latest management and technology achievements of the world, and modern equipment and machinery, has obtained particular ability to implement the projects in various dimensions and in a variety of methods including turnkey and EPC.

About us

Nowadays water is worth as oil and seen as an element similar to it, demand for it increases but its supply and processing is limited. population growth and industrial developments, directly and indirectly, and on the other hand limited water resources, have increased water pollution, Therefore, due to the scarcity of fresh water sources in the world, human beings have forced to supply some of their water requirements from other sources such as seas, rivers and even effluents to conserve freshwater resources and sustainable resources development.
Nowadays water is worth as oil and seen as an element similar to it, demand for it increases but its supply and processing is limited. population growth and industrial developments, directly and indirectly, and on the other hand limited water resources, have increased water pollution, Therefore, due to the scarcity of fresh water sources in the world, human beings have forced to supply some of their water requirements from other sources such as seas, rivers and even effluents to conserve freshwater resources and sustainable resources development.
LIAN TADBIR Engineering Company was established with a focus on water scarcity crisis to implement the projects in water and wastewater industry and expanded its activities in the power, oil and gas industries and now by relying on its successful previous background in water treatment of river and sea and reuse of municipal and industrial wastewater, with creative and efficient human resources and taking advantages of the latest management and technology achievements of the world, and modern equipment and machinery, has obtained particular ability to implement the projects in various dimensions and in a variety of methods including turnkey and EPC.
Nowadays water is worth as oil and seen as an element similar to it, demand for it increases but its supply and processing is limited. population growth and industrial developments, directly and indirectly, and on the other hand limited water resources, have increased water pollution, Therefore, due to the scarcity of fresh water sources in the world, human beings have forced to supply some of their water requirements from other sources such as seas, rivers and even effluents to conserve freshwater resources and sustainable resources development.
LIAN TADBIR Engineering Company was established with a focus on water scarcity crisis to implement the projects in water and wastewater industry and expanded its activities in the power, oil and gas industries and now by relying on its successful previous background in water treatment of river and sea and reuse of municipal and industrial wastewater, with creative and efficient human resources and taking advantages of the latest management and technology achievements of the world, and modern equipment and machinery, has obtained particular ability to implement the projects in various dimensions and in a variety of methods including turnkey and EPC.

Perspective and strategies
LIAN TADBIR Engineering Company perspective over the next ten years is to become a successful international contractor and to achieve the highest execution standards in the implementation of water and wastewater, power, oil and gas industries to provide the best service to our clients. Also company staff attempt, creating a coherent and reliable workplace for the company’s employees, providing optimal services and enhancing the satisfaction of clients, shareholders and employees are at the top of the important company goals. Therefore, compliance with all standards (ISO) and at all stages, professional by-laws, including health, safety and environment (HSE), at all stages of the project’s implementation is considered by this company.
Technical Engineering Department
This company by integrating science and experience and having experts in the field of water and wastewater treatment, by using the latest technologies in the world to design and optimize water and wastewater systems performs the following task descriptions:
- survey and feasibility study of the project implementation and survey of available water resources in the area
- Specialized engineering of water and wastewater treatment system based on the inlet flow analysis and required standards of the treatment
- Design, construction, installation and set-up of water and wastewater treatment plants
- Visiting the client’s site, surveying the various situations required for the design and installation of water and wastewater treatment systems and providing expert consultation.
- Supervising the manufacturing of machines and their quality control in the factory
- Research on the fields of new technologies in water and wastewater industry with the help of R&D department
- Consulting and offer the design related to treatment and recycling of industrial and human wastewater and their reuse in the industrial and agricultural cycle
- Interaction with marketing and sales unit to provide the best technical offer according to the specific requirements of the customers
- Designing and presenting a variety of basic, detailed and executive drawings related to electrical panels and instrumentation, plumbing, foundations, structures and civil concrete tanks and the water and wastewater treatment plant
- Designing of water and wastewater treatment plants and providing all kinds of basic – Detailed and related executive
This department contains the following disciplines:
- Process unit consists of highly experienced personnel with a Master of Process (Water and Wastewater) or Civil environmental engineering and a Master of Chemical Engineering-process
- Power unit/ control and instrumentation
- Mechanical unit
- Civil Units and Concrete Structures


Technical Engineering Department
This company by integrating science and experience and having experts in the field of water and wastewater treatment, by using the latest technologies in the world to design and optimize water and wastewater systems performs the following task descriptions:
This department contains the following disciplines:
- survey and feasibility study of the project implementation and survey of available water resources in the area
- Specialized engineering of water and wastewater treatment system based on the inlet flow analysis and required standards of the treatment
- Design, construction, installation and set-up of water and wastewater treatment plants
- Visiting the client’s site, surveying the various situations required for the design and installation of water and wastewater treatment systems and providing expert consultation.
- Supervising the manufacturing of machines and their quality control in the factory
- Research on the fields of new technologies in water and wastewater industry with the help of R&D department
- Consulting and offer the design related to treatment and recycling of industrial and human wastewater and their reuse in the industrial and agricultural cycle
- Interaction with marketing and sales unit to provide the best technical offer according to the specific requirements of the customers
- Designing and presenting a variety of basic, detailed and executive drawings related to electrical panels and instrumentation, plumbing, foundations, structures and civil concrete tanks and the water and wastewater treatment plant
- Designing of water and wastewater treatment plants and providing all kinds of basic – Detailed and related executive
This department contains the following disciplines:
- Process unit consists of highly experienced personnel with a Master of Process (Water and Wastewater) or Civil environmental engineering and a Master of Chemical Engineering-process
- Power unit/ control and instrumentation
- Mechanical unit
- Civil Units and Concrete Structures

R&D Research and Development Department
Duties of the R&D unit are as follows:
- Finding the necessity and application of existing knowledge and technologies or those produced by the company
- Searching and researching about related sciences and technologies
- Preparing a complete list of the risks and achievements of using researched sciences and technologies, as well as a solution and estimate of the cost and time of acquisition of the platform and the required capabilities for use. Presenting the results of the survey to the management for approval.
- Precise review of the solutions and estimate of cost and time for the use of science or technologies which the necessity of using them has been approved by the management. Also the required educational process and costs.
- A solution to convert the company’s unwritten knowledge and experience into written and organizing and reusing them, and providing a solution to implement an efficient and reliable system for managing the knowledge
- Providing the solutions to improve the standards of the company
- Providing the solutions of improving the science and skills and utilizing the company forces and equipment
- Providing the solutions of improving the culture of the company and preserving the created values.
- Providing the Solutions of improving the satisfaction of the company affiliated persons
- Finding the necessity of the company self-sufficiency in making products, tools or services
- Providing the solutions to enhance the company’s productive and competitive potential
- Providing the solutions to protect the benefits and reduce the danger of the threats
- modification, Improvement, decision making, and providing the solutions about R&D unit itself
Project Management Department
Planning and controlling the different parts of a project is a vital step in achieving the goals of it in continuous fallow-up and improvement of its activities. This department by utilizing the experts manages the planning and control project processes.
Most of the provided services by the project management unit are as follows:
– Providing overall project schedule in the form of a Gantt Chart based on the planning logic and project control.
– Preparing the manpower and machinery histogram during the project
– Preparing the work broken structure or the project WBS by calculating the weight of each activity
– Providing all of the control formats of the project
– Preparing the weekly reports
– Preparing the monthly reports including the following information:
- General Design Specifications
- Summary of the Project implementation status
- Project impasses and problems
- Significance of the performed activities in the monthly report in accordance with the one-to-one of the time schedule items.
- Providing the list of unperformed activities (delays report)
- Providing the list of the planned activities for the next month
- Providing the Physical Development Tables of the project with their WBS
- Workshop incidents and workshop safety status report
- Executive workload Status Table in coordination with the client’s technical offices
- Summary of the project financial status
- Status of manpower and the client’s equipment
- Time schedule of the project and its updating status
- Status of the subcontractors
- Analyzing employee productivity status and comparing it with the default of each activity.


Project Management Department
Planning and controlling the different parts of a project is a vital step in achieving the goals of it in continuous fallow-up and improvement of its activities. This department by utilizing the experts manages the planning and control project processes.
Most of the provided services by the project management unit are as follows:
– Providing overall project schedule in the form of a Gantt Chart based on the planning logic and project control.
– Preparing the manpower and machinery histogram during the project
– Preparing the work broken structure or the project WBS by calculating the weight of each activity
– Providing all of the control formats of the project
– Preparing the weekly reports
– Preparing the monthly reports including the following information:
Most of the provided services by the project management unit are as follows:
– Providing overall project schedule in the form of a Gantt Chart based on the planning logic and project control.
– Preparing the manpower and machinery histogram during the project
– Preparing the work broken structure or the project WBS by calculating the weight of each activity
– Providing all of the control formats of the project
– Preparing the weekly reports
– Preparing the monthly reports including the following information:
- General Design Specifications
- Summary of the Project implementation status
- Project impasses and problems
- Significance of the performed activities in the monthly report in accordance with the one-to-one of the time schedule items.
- Providing the list of unperformed activities (delays report)
- Providing the list of the planned activities for the next month
- Providing the Physical Development Tables of the project with their WBS
- Workshop incidents and workshop safety status report
- Executive workload Status Table in coordination with the client’s technical offices
- Summary of the project financial status
- Status of manpower and the client’s equipment
- Time schedule of the project and its updating status
- Status of the subcontractors
- Analyzing employee productivity status and comparing it with the default of each activity.

Marketing and Sales Department
Nowadays, customers and their satisfaction play a key role in the growth and Durability of organizations. In this regard, by creating specialized marketing and sales department, the company has tried to attract the customers and to better meet their needs.
The main duties of this department are:
The main duties of this department are:
- Creating communication with esteemed clients and contractors.
- Receiving customer requests in the field of water and wastewater treatment systems and submitting them to the technical engineering unit.
- Interaction with the technical engineering unit to prepare the most appropriate technical proposal according to the specific situation of each customer
- Providing financial and technical offer to customers, Following up and answering their probable questions in the various fields of water and wastewater treatment systems
- Participate in various specialized exhibitions and communicate with different industries to identify their needs
- Identify new markets for water and wastewater treatment
After-sales services department
The purpose of this unit is to satisfy the clients and the customers, to continuously keep in touch with the customers in order to find out their comments about the installed devices, to answer their questions and to dispatch the company experts in the case of necessity to check and fix the installed devices. This unit has done its utmost to create customer satisfaction and is ready to respond to the customers throughout the week. This unit collects the comments, suggestions and criticisms of the customers in specific time periods and in the form of surveys and after classifying them discusses them in company general meetings and improves the service delivery for dear clients and customers by finding the appropriate solutions.
Major after-sales service activities are as follows:
Major after-sales service activities are as follows:
– Qualitative and quantitative (timely) follow up of the project implementation by the technical unit, ensuring compliance with the obligations under the sales contracts
– surveying the clients satisfaction of the completed project (filling the relevant forms and submitting an analytical report)
– Customer relationship management (CRM) (Creating a customer database, introducing and offering new products and services, offering special services and suggestions, etc.)
– Handling the customer complaints and referring them to the relevant units
– following-up the financial claims of the project implementation through the financial unit
– Identifying the customers’ specific needs, demands and situations in various communications with them


After-sales services department
The purpose of this unit is to satisfy the clients and the customers, to continuously keep in touch with the customers in order to find out their comments about the installed devices, to answer their questions and to dispatch the company experts in the case of necessity to check and fix the installed devices. This unit has done its utmost to create customer satisfaction and is ready to respond to the customers throughout the week. This unit collects the comments, suggestions and criticisms of the customers in specific time periods and in the form of surveys and after classifying them discusses them in company general meetings and improves the service delivery for dear clients and customers by finding the appropriate solutions.
Major after-sales service activities are as follows:
– Qualitative and quantitative (timely) follow up of the project implementation by the technical unit, ensuring compliance with the obligations under the sales contracts
– surveying the clients satisfaction of the completed project (filling the relevant forms and submitting an analytical report)
– Customer relationship management (CRM) (Creating a customer database, introducing and offering new products and services, offering special services and suggestions, etc.)
– Handling the customer complaints and referring them to the relevant units
– following-up the financial claims of the project implementation through the financial unit
– Identifying the customers’ specific needs, demands and situations in various communications with them
Major after-sales service activities are as follows:
– Qualitative and quantitative (timely) follow up of the project implementation by the technical unit, ensuring compliance with the obligations under the sales contracts
– surveying the clients satisfaction of the completed project (filling the relevant forms and submitting an analytical report)
– Customer relationship management (CRM) (Creating a customer database, introducing and offering new products and services, offering special services and suggestions, etc.)
– Handling the customer complaints and referring them to the relevant units
– following-up the financial claims of the project implementation through the financial unit
– Identifying the customers’ specific needs, demands and situations in various communications with them

Equipment Construction Management Department
The unit is responsible for constructing the systems designed by the technical engineering unit. This unit is in a large space equipped with a wide type of machineries, tools and advanced equipment and to achieve the desired quality in construction and production utilizes the expert and trained personnel in the specialized fields of fluid mechanical, electrical and industrial automation, plumbing, welding and construction. Also, the construction processes in this unit are designed to respond to a large number of orders simultaneously so that there is no delay in responding to the needs of the respected clients and customers. Another goal of this unit is to improve the quality and quantity of construction and production. This department itself consists of the following three sections:
Workshop on construction of the water treatment systems
Workshop on construction of the wastewater treatment systems
Workshop on construction of the electrical panel
Executive Workshops on the site
Water and wastewater laboratory unit
This unit has a responsibility to analyze and test the water and wastewater samples sent by the clients prior to equipment construction in order to an accurate design of the units and after system installation to evaluate systems performance.
Description of Water and Wastewater Laboratory Responsibilities:
Performing chemical and physical tests of water and wastewater
Performing microbial tests of water and wastewater
Performing JAR tests to estimate the optimum dose of the coagulants
Simulation of considered treatment processes to check the work efficiency with the pilot system


Water and wastewater laboratory unit
This unit has a responsibility to analyze and test the water and wastewater samples sent by the clients prior to equipment construction in order to an accurate design of the units and after system installation to evaluate systems performance.
Description of Water and Wastewater Laboratory Responsibilities:
Performing chemical and physical tests of water and wastewater
Performing microbial tests of water and wastewater
Performing JAR tests to estimate the optimum dose of the coagulants
Simulation of considered treatment processes to check the work efficiency with the pilot system

Fields of activity
LIAN TADBIR Engineering Company, with knowledge of water scarcity around the world and in order to provide safe water for various industries use, increase factories productivity, reduce environmental hazards and ultimately help maintain the health of the community, has begun specialized studies on implementation of new water and wastewater treatment methods and by combining technical knowledge and years of practical experiments of our experts in consulting, performs designing, construction and implementation of water and wastewater treatment projects, pumping stations, water and wastewater transmission lines, metal and concrete tanks and buildings with the world’s latest EPC methods.
Scope of activity
Treatment, Reuse and Disinfection of water and Municipal and Industrial wastewater
LIAN TADBIR Engineering Company relying on long experience and innovation in consulting, design, construction and implementation of municipal and industrial wastewater treatment plants has had reputation as one of the pioneers of this industry and has successfully implemented many national projects in the water and wastewater sections. In addition to engineering design and implementation, this company has established effective working communication with a diverse and complete set of domestic and foreign manufacturers and suppliers of the equipment needed for water and wastewater projects, and is able to supply the equipment required for projects at reasonable prices. Municipal drinking water treatment plants, municipal and industrial wastewater treatment plants, demineralization water and Oily wastewater supplying plants and powerhouses and refineries are this company’s fields of work in the water and wastewater section.


Fields of activity
LIAN TADBIR Engineering Company, with knowledge of water scarcity around the world and in order to provide safe water for various industries use, increase factories productivity, reduce environmental hazards and ultimately help maintain the health of the community, has begun specialized studies on implementation of new water and wastewater treatment methods and by combining technical knowledge and years of practical experiments of our experts in consulting, performs designing, construction and implementation of water and wastewater treatment projects, pumping stations, water and wastewater transmission lines, metal and concrete tanks and buildings with the world’s latest EPC methods.

Automation of water and wastewater treatment plants
Relying on the company executives and founders in the country water and wastewater industry and utilizing a team of specialists and experts in the electrical and instrumentation section, all treatment plants are set up with the latest and the most advanced industrial control technology.
Supplying equipment
In the present, by focusing on the Iranian and Middle East markets and obtaining several exclusive agencies from reputable global producers, fast and qualified supply of the equipment for the water, wastewater, oil and gas and petrochemical industries has been possible.


Supplying equipment
In the present, by focusing on the Iranian and Middle East markets and obtaining several exclusive agencies from reputable global producers, fast and qualified supply of the equipment for the water, wastewater, oil and gas and petrochemical industries has been possible.