Richsum Industry Inc.
- Began layout p.c.b, radio, charger and LED bonding in 1997's
- Established Guangzhou Richsum Industry Co., Ltd on July 30, 1998's
- Started design and manufaturing permanent magnet generator and solar panel in 2003's
- Established Guangzhou Richsum Electronics Limited on July 30, 2004's
- Established Richsum Industry Inc. on March 10, 2005's
- Passed through CE certificated in 2006's
- Passed throught ISO certificate in 2008's
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