Ruian Angu Electric Co., Ltd., the predecessor of Angu Group Co., Ltd., was founded in 1990. The company now covers an area of ​​30,500 square meters, has a construction area of ​​29,000 square meters, and has more than 1,200 employees, including 78 engineering and technical personnel, and has various commutators. There are nearly 1,100 sets of production equipment, complete and supporting equipment for physical and chemical analysis, testing and testing. The company specializes in the production of motor commutator (rectifier) ​​products, and a professional manufacturer with the right to export foreign trade. The products are mainly divided into three series and more than 2,000 specifications, used in power tool motors, household appliance motors, automobiles, motorcycle motors and other motor products. The company has been rated as an AAA-level credit enterprise by the Provincial Bank of China for 16 consecutive years, rated as an AAA-level "contract-abiding and credit-oriented" unit by the Provincial Bureau of Industry and Commerce, and has been listed as the "five batches" key backbone enterprises in Wenzhou City.

The company established a quality management system in 1996, and passed the ISO9002 standard quality assurance system certification in January 1999; passed the ISO9001:2000 standard quality management system certification in January 2003; passed the QS9000:1998 standard quality management system certification in January 2003; 2005 Passed CQC product safety certification in 2019. The products were rated as excellent suppliers by Japan's Makita Company and South Korea's LG Company, and were listed as inspection-free products by Japan's Makita Company. In April 2006, it passed the ISO/TS16949:2002 standard certification in the automotive industry. In 2007, it passed the ISO14001, GB/T28001 environmental and occupational health and safety certification, clean production and green enterprise review.