TWE obtained ISO 9001 certification in early 2013. You can find our certificate at the bottom of this page.

Quality Policy

We are dedicated to delivering high-quality services in the fabrication of pipe and steel structures, as well as providing skilled welding tradespersons for labour supply. Our services cater to a diverse range of customers, including those in the commercial, industrial, and government sectors.

The company has established, documented, and implemented an Integrated Management System (IMS) to ensure that our products and services consistently meet customer requirements, enhance customer satisfaction, and comply with the ISO 9001 Standard.    

The company is dedicated to constantly enhancing the effectiveness of its quality management system. This is achieved through regular communication and reporting during Senior Management Reviews. The goal is to ensure that our Integrated Management System (IMS) remains effective and aligned with our business objectives, as well as ensuring the safety of our workers.

We prioritise building strong connections with our customers and strive to exceed their expectations. We are dedicated to providing top-notch professional services that prioritise quality, reliability, safety, and environmental sustainability. This commitment is evident in the strong support we provide to our workforce and our suppliers of products, services, and materials.

Welding Qualification

AS1796-2001 Certificate of Competency Gained Code.

Qualified welders typically possess most, if not all, of the following weld procedure certificates: 

No.  Certificate
1 MMAW of carbon steel plate/pipe-both sides
1E MMAW of carbon steel plate/pipe-one side
2 MMAW of carbon steel pipe-one side
3 MMAW of alloy steel plate/pipe-both sides
3E MMAW of alloy steel plate/pipe-one side
4 MMAW of alloy steel pipe-one side
5 GTAW/MMAW of alloy
7 Gas tungsten arc welding (GTAW)-one side
8G Gas metal-arc welding (GMAW) of plate/pipe

Total Manpower Resources

Codes, Standards and Qualifications

We have extensive experience in the following Codes, Standards, and Specifications:


Here is a list of materials that TWE has experience in welding:

Carbon Steel

Chrome Molybdenum

Stainless Steel

Duplex & Inconnel


Procedure Specifications (WPS) & Procedure Qualification Records (PQR)

We are able to provide Welding Procedure Specifications (WPS) and Procedure Qualification Records (PQR) that adhere to the applicable standards for your project. Sample WPS and PQR's are available for download below.