The Group's core business is the manufacture of SMD type and radial leaded aluminum electrolytic capacitors. This core business is also supported by trading (i) a wide range of electronic components, including integrated circuits and semiconductors such as diodes and triodes; and (ii) LEDs and LED lighting products. The Group has a comprehensive quality control system that complies with ISO 9001:2015 quality standards (covering all stages of aluminum electrolytic container production) and QC 080000:2012 for the management of hazardous substances in the production process, and RoHS and REACH standards relating to the restriction of certain harmful substances and chemicals in aluminum electrolytic capacitors.