About Us

Dias Welding and Mechanical Engineering has been specialising in sootblower equipment in South Africa since 1995. We are located in Sasolburg in the Free State and can provide products and services anywhere in the country.



Quality and efficiency

Our commitment to excellence led us to attain the international ISO 3834: Part 2 certification for welding and ISO 9001:2015 for quality management systems. This assures you of absolute focus on quality and efficiency.


Environment + health & safety

We also conform to ISO 14001:2015 (Environmental management systems) and OHSAS 18001:2007 (Occupational health and safety).


Grade 5ME company

Dias Welding and Mechanical Engineering is registered with the Construction Industry Development Board (CIDB) as a Grade 5ME company.


BEE Status

We are a Certified BBBEE Level 2 (majority black-owned) company.