Knorr-Bremse Australia and Sigma Air Conditioning have Quality Management Systems certified to IRIS (ISO/TS22163:2017) and ISO9001:2015 by Bureau Veritas (BV) and our Quality Policy is;

We are committed to achieve a high level of customer satisfaction through continual improvement in the quality of our products and services.

This will be achieved by our total commitment to:

• Promoting mutually beneficial working relationship with our suppliers and stakeholders to deliver quality product.
• Identify the changing needs of our customers
• Provide effective solutions to ensure our customers succeed
• Provide Safe & Reliable Products to the Rail, Mining & Transport Industries
• Provide an environment where continual improvement and employee involvement across all disciplines of the business is the normal accepted practice
• Setting and reviewing our objectives and targets

The executive team is committed to creating an environment that encourages all employees to work together in achieving this Policy.


SIGMA Knorr-Bremse Australia

23 - 29 Factory Street
Granville NSW 2142

Phone: 1300 643 643