Case Sharing


Dramatically Improving the Products’ Reliability by HALT & HASS

Industry: household appliance
Service: HALT & HASS

Zhejiang Supor Co., Ltd. (SUPOR) is the No. 1 worldwide in sales of cookware, pressure cookers, steam irons and steam generators, electric kettles, steam cookers, food processors, toasters, deep fryers, bread makers and informal meal appliances.
As the leader in Cookware and Electric Kitchen Appliance Industries in China, SUPOR strives for quality excellence and continuous improvement.
SUPOR invited TQM to provide consultancy service in identifying potential causes of failure and improving the reliability of selected products with Highly Accelerated Life Test (HALT) and Highly Accelerated Stress Screen (HASS) methodologies.

Project Scope

  • Work closely with Product Development Team, Production Engineers and QC/ Reliability Engineers.

  • Design HALT and HASS tests to identify potential causes of failures in the selected products.

  • Provide technical advice in reliable product design and quality-related issues resolution.


  • Designed and supervised the HALT and HASS tests for switches, LED lights and LED Segment Displays.

  • Identified the critical failures and their root causes.

  • Resolved quality-related issues, such as PCBA defects due to varnish applications, were resolved.

  • Conducted a series of quality training for SUPOR's Product Development Team, Production Engineers and QC/ Reliability Engineers to enhance their awareness and knowledge in quality control and assurance.