2004
Established Haoyu (Hong Kong) Co., Ltd. and Dongguan Haoyu Electronics Co., Ltd., engaged in the R&D and production of DC power sockets, headphone sockets, electronic switches and other products, and took the lead in introducing ERP management system in the industry.

2006
Set up a production and assembly factory in Liaobu Town, which has passed the ISO9001:2000 quality management system certification and fully introduced the European Union ROHS (Restriction of Hazardous Substances) and WEEE directives.

2011
It has been relocated to Sicun Village, Shijie Town, with a plant area of about 12000 square meters. A series of products such as key switches, touch switches and toggle switches have been added, and a large number of automatic production equipment has been invested. The product is fully introduced into ROHS, WEEE and REACH requirements.

2014
Acquired Liujun Electronics Co., Ltd. (founded in 1993 by LEGION Taiwan) and Dongguan Liujun Electronic Hardware Co., Ltd., and added safety regulation series products such as rocker switch, rotary switch and sliding switch.

2015
The acquisition of ROCKTEK of Fulilon Electronics (Shenzhen) Co., Ltd., and the addition of AC sockets, microswitches, overload protectors, protection switches and other European and American UL series products.

2017
The acquisition of Rishun Technology Co., Ltd. (founded by Hong Kong YSC in 1987) and Dongguan Qiangke Electronics Co., Ltd. (a factory in the mainland) will step into the top supply chain in the switch field, open up the international cutting-edge customer market, and increase more product customization solutions.

2018
The Chenzhou workshop in Hunan was officially put into production. At present, the monthly production of Hunan workshops reaches 9 million, and the maximum production capacity is expected to exceed 20 million.

2020
Invested in USB connector projects, such as Micro USB and Type C, and obtained the USB Association certification in 2022.

2021
Liujun Electronic LEGION moved into the new plant, with an additional production area of about 15000 square meters.

2022
Won the honorary title of innovative small and medium-sized enterprises and high-tech enterprises; At the end of 2022, the production base of Haoyu Group was upgraded and completed, comprehensively promoting the building of high-quality development and moving towards the middle and high end of the industrial value chain