Who We Are?


Diar Shargh Industrial Inc. has been established in 2000 and since then has become a trade mark of trust and performance among the leading Oil & Gas Industries of Iran. We are known as a manufacturer and supplier of qualified and standard lubrication fittings and sealant injections, using in refineries and petroleum pipelines. 
Using the experience of our specialists, we also provide services of valve maintenance and reverse engineering according to Global standards.
 Our Goal is to gain our customer’s satisfaction by producing products and services of standard quality, competitive cost and by supplying in time. We shall continually improve the effectiveness of our quality management system to achieve the goal.


  • • Production the different type of Mechanical Parts base on reverse engineering
  • Production Valve Lubrication Fittings  accordance with API 6D & ASME B16.34.
  • • Technology development and prepare the technical and engineering logs
  • • Working with International Standard (ASME, ASTM, API and ...)
  • • Design and producing different spare parts for Rotary instruments (Pumps, Turbine and ...)
  • • Supply super alloy and material
  • • Design and producing Valve components
  • • Research and Development to achieve OPC and manifesting procedures

• Test, overhauling and repair the different class and Types of the valves