Chang’an New Energy Automobile Co., Ltd. selects CETOL 6 Sigma for Tolerance Analysis Solution

One of China’s largest automobile groups to utilize Sigmetrix software to improve design robustnesschangan-car

McKinney, TX – November 18, 2014 –  Chang’an New Energy Automobile Co., Ltd., a division of one of China’s top four automobile groups, Chang’an Automobile Group, has selected Sigmetrix CETOL 6σ tolerance analysis solution as part of its engineering and manufacturing program.

Chang’an New Energy Automobile Co., Ltd. is focused on strength with robust scientific systems and technological innovation. “We have achieved a leading position with world-class scientific research and development strides, and CETOL 6 Sigma from Sigmetrix is going to help us reach the next level of innovation” said Mr. Gang He, the Department Manager of Electric Engineering. He continued, “The advanced tolerance analysis features will allow us to manufacture high quality, and cost effective automobiles and will be an integral component to achieve robust design throughout our line.”

CETOL 6 Sigma tolerance analysis integrated in CATIA provides elite product development teams in a variety of industries to work directly in Dassault Systèmes CATIA user’s modeling environment. With CETOL 6σ the user gains the ability to visualize design and tolerance changes while in the modeling phase. The CETOL 6σ solution also provides product development teams early evaluations in the design process. The ability to immediately visualize the impact that tolerance changes have on the overall assembly improves the ability of teams to shorten development time and maximize viable product assembly designs.

“Our commitment to invest in the China market has resulted in the strong growth of our tolerance analysis and GD&T products” remarked Sigmetrix President Chris Wilkes. “We are pleased that Chang’an is integrating CETOL 6σ into their CATIA platform, and we’re confident that the engineering department will successfully accelerate the quality and robustness of their electric vehicles, ensuring their position in the forefront of new energy vehicle technology in China.”

To learn more about CETOL 6σ visit

About Sigmetrix, LLC
Sigmetrix is a global provider of comprehensive, easy-to-use software solutions that help users achieve robust designs through tolerance analysis and the correct application of GD&T. With over 20 years of research and development, Sigmetrix products eliminate the error between as designed assemblies and as produced products. For more information, visit their website at

About Chang’an
Chang’an Automobile Group, founded in December 2005, is one of China’s top four automobile groups, with four key businesses: vehicles, powertrain, auto parts and commerce and trade service. It has nine vehicle production bases in Chongqing, Heilongjiang, Hebei, Jiangxi, Jiangsu, Anhui, Zhejiang, Guangdong and Beijing, as well as 33 vehicle and engine factories and 19 subordinate companies. It has formed a wide range of product lineages, covering passenger and commercial vehicles, and an engine platform with displacement ranging from 0.8L to 2.5L. At the same time, when developing its own brand, Chang’an has developed intensive cooperation in the vehicle area with global well-known automakers, such as Ford, Mazda, Suzuki and PSA Peugeot Citroën. It has also established capitalistic partnerships in automotive parts area with TRW, Mitsubishi, Showa Denko, Air International Group and GKN. In 2012, Chang’an sold a total of 1.95 million cars, ranking fourth in the Chinese auto industry, with an operating income of CNY 131.8 billion (€ 16.2 billion).


This Press Release is also available in Japanese here.