Pressure vessels, prefabricated piping, reactors, heat exchangers, columns and process modules. - To be the most trusted partner and best supplier of Customers.

Turbine auxiliary equipment & structures including steel components for steam and gas turbines, intake & exhaust system for gas turbines, WHRU, etc. - Excellent sustainable EHS performance.

As a Tier-One supplier to several multi-national Corporation and Engineering Company, we are committed to continuous improvement of quality and deep understanding of different standards. - Quality is our Reason for Existence.


Material & Welding Experience

Materials are a key factor in product compliance. All design codes have “approved” materials listed or referenced, including pressure equipment, machinery, other equipment, etc. Thus, the basis for design is always a system which includes design formulas, materials, as well as manufacturing and testing requirements.


NAMAG provides the adaptability to meet our customer’s specific welding and special requirements. With extensive experience and knowledgeable Manufacturing Engineers, we are considered as a valued supplier of important weldments with high requirements to numerous industries worldwide. We are qualified to perform different welding standards to a wide variety of material groups in accordance with ASME Code, European EN standards, Chinese GB standards, etc.


Materials Welded


These products are generally made in carbon steel, low alloy Steel (Cr-Mo), austenitic stainless steel, clad steel, duplex or duper duplex stainless steel, titanium, aluminum, nickel and Inconel alloy, etc, and Namag have the solid welding experience, especially in the special material Titanium, AL6XN, 904L, Inconel 625, Monel 400, etc.


Special Medium & Conditions


Namag has solid and rich experience in the following medium and conditions:

·    Sour Medium Environment - NACE MR 0175 Metals for Sulfide Stress Cracking and Stress Corrosion Cracking Resistance in Sour Oilfield


·    Hydrogen Induced Cracking (HIC) Test

·    Sulfide Stress Cracking (SSC) Test


                                 Export Ratio                                                                  Classified by type




Materials Forms


Plate and Sheet




Beam/Profiles/Angle plates


Welding Processes


GTAW, Gas Tungsten Arc Welding

SMAW, Shielded Metal Arc Welding

GMAW, Gas Metal Arc Welding

FCAW, Flux Core Arc Welding

SAW, Submerged Arc Welding

PAW, Plasma Arc Welding

MIG, Metal Inert Gas (MIG) Welding

TIG, Tungsten Inert Gas (TIG) Welding











Oil and Gas


Power Generation

Renewable Energy

Air Separation

Environment Protection

Our Capabilities