Quality is of paramount concern in the auto parts industry, and process excellence tools and methods are changing the way wheel hubs are manufactured. Quality management systems, lean six sigma and ISO certifications are among the quality control trends in the industry that are transforming the nature of the business. Quality management systems help manufacturers coordinate quality control initiatives, including corrective action request systems, to make their organizations more efficient and effective. Lean six sigma techniques, such as Kaizen events and statistical process control, are eliminating waste while ISO certifications are setting competitors apart in the industry. ISO certification signifies a high level of proficiency in quality control and related techniques.