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In 2001

Changzhou Yufeng Electrical Co., Ltd was established.

In 2003

Our company passed ISO9001&ISO14001 management system certification.

In 2005 

Our annual output exceeded 300million pcs.

In 2006

Our battery passed the certifications of RoHS, UL and UN38.3.In the same year, we registered 'Henli Max' and 'SUYU MAX' brand.

In 2007 

20 self-developed automatic assembly lines came into use, which was the most advanced in China at that time. In the same year, our company was awarded as 'Jiangsu High Teck Enterprise' and 'Changzhou Enviromental Friendly Enterprise'.

In 2008

We applied 10 patents for our self-developed automatic production lines.

In 2010

Our 'Henli Max'high power battery was developed successfully, whose high pulse loading capability is one time better than the average level of the battery industry. 

In 2011

Our new factory was settled in Changzhou Photovoltaic Industrial Park. 

In 2012 

Our CR2450 and CR2477 battery were honored as 'Jiangsu High-Tech Product'.

In 2013

Our 'Henli Max' brand was honored as 'Changzhou Famous Brand'.


We focus on the upgrade of factory inner management, and keep the stable development of our company.