1969 changed its name to Bengbu No.3 radio component factory.
1976 was renamed Bengbu No.6 radio factory.
Bedis Electronics Co., Ltd., a Sino-US joint venture, was established on 1985. When the investment expired in 2005, our company recovered all its share capital.
1988 invested in the establishment of Sino-Danish joint venture Weiss Electronics Co., Ltd. ... When the investment expired in 2006, our company recovered all its share capital.
1990 cooperated with Taiwan Province province to establish Anhui Changsheng Electronics Co., Ltd..
1995 sino-german joint venture weichuang far east electronics co., ltd was established.
1996 was renamed Bengbu Double Ring Resistor Factory.
1997 changed its name to Bengbu shuanghuan electronics co., ltd.
In 2004, it was renamed Bengbu Shuanghuan Electronics Group Co., Ltd..
In September 2005, Bengbu Deruite Resistance Technology Co., Ltd. was established.
In 2005, he invested in Germany SRT Resistance Technology Co., Ltd. and became one of the shareholders of the company.