1. In August 2008, Hunan Li’er Circuit Board Co., Ltd. was founded;
2. In April 2009, the investment of RMB150 million for the first phase was finished, and a factory with a monthly production of 40,000m2 was established.
3. In August 2009, the company was certified to ISO9001 Quality Management System;
4. In October 2009, the company was certified to UL.
5. In October 2011, the company was certified to ISO14001 Environmental Management System;
6. In December 2011, the company was certified to TS16949 Automotive Quality Management System.