About Us

About Us

NSIG with more than a decade activity in the field of resistance welding engineering and as the biggest designer and manufacturer of resistance welding machine tools, relevant equipments and automation, is pioneered in Iran.


     The human power of group is comprised of the five – hundred efficient persons who one hundred of them are expert with bachelor and higher degrees in the form of solution system.


     The automation industry, Oil, Gas, Building and Home Appliances are the main fields and key customers in the welding engineering activities of NSIG.


     Designing and manufacturing of automatic welding machines and equipments of production and conveying lines along with supply and produce many spare and consumption parts as well as repair and maintenance services of welding machines are the vast majority of NSIG's activities

     NSIG has executed the various projects in the above given fields which some of them are listed below:


- Designing and manufacturing resistance welding machines and relevant equipment in the body lines such as gun, robogun auto-gun, jig and fixture.

- Designing and manufacturing stationary welding machines including seam welding, press welding, sport welding in different kinds and sizes.

- Designing and manufacturing machine tools and relevant equipments related to tanks and fuel conveying lines such as industrial clamps and full automatic bugs.

- Designing and manufacturing automatic mesh welding machines in various diameters.

- Designing and manufacturing of control and power units of welding machines as well as control rooms with net ability (DCS) & (PLC).

- Collection and supply welding procedure specification (W.P.S.) for the kinds of welding operation in accordance with international standards.

- Designing, manufacturing and supply the spare and consumption parts of welding machine tools and relevant equipments accompany with technical documentation.

- Execution of Engineering services such as installation, operation as well as repair and maintenance machine tools of production lines.

- Execution of contractor services in the field of welding operation of oil, gas pipelines.

- Professional education course and training of proficient welder and issue certificate of completion for the course are the other activities of group.