In 2011, Shenzhen Guanrong Electronics Co., Ltd. was established and invested in the electronic semiconductor industry, involving in diode and bridge industry

In 2012, the company entered a period of development

In 2013, acting sunmate / SeMet brand, a full range of products

In 2015, it successfully obtained IS9001 quality certification body and iatf16949 system certification, and its product series are in line with EU RoHS and reach

In 2016, the company became partners of domestic famous brands such as Midea, Feike, Supor and Xiaomi, and entered a period of rapid development

In 2018, it won the national high tech enterprise certificate

In 2019, Shenzhen Guanrong Electronics Co., Ltd. - Longhua Branch was established