Shenzhen Rihuid Power Supply Co., Ltd. was established in 1997. In 2000, it began to use the brand "Rihuid". In 2004, it was restructured into a limited liability company, and in 2015, it was changed into a joint - stock limited company. In August 2016, it successfully listed on the New Third Board of the Beijing Stock Exchange (Stock code: 838099). This is an enterprise that has long been committed to the R & D and manufacturing of power adapters and chargers. Its products have been recognized by many Fortune Global 500 companies and domestic listed companies, and long - term strategic partnerships have been established with them. The company has a stable production base covering an area of over 6,000 square meters in Pingdi, Longgang, Shenzhen, which can accommodate more than 300 employees. It has first - class hardware facilities, advanced measuring instruments and many excellent industry professionals. The company has passed the certification of ISO9001 Quality Management, ISO14001 Environmental Management, ISO45001 Occupational Health and Safety Management, ISO13485 Medical, and the EU BSCI Social Responsibility Audit System. It has been recognized as a national high - tech enterprise and a specialized, refined, characteristic and innovative enterprise.