WORLDEX INDUSTRY & TRADING CO., Ltd. is a Korea-based company mainly engaged in the manufacturing and distribution of silicon parts used in semiconductor surface etching process. The Company's product portfolio consists of silicon parts, including silicon electrodes, silicon rings, silicon boats, silicon solar batteries and others, quartzes as well as alumina products used for semiconductor, liquid crystal display (LCD) and liquid emitting diode (LED) parts. The Company distributes its products within domestic market and to the overseas markets. It is also engaged in the manufacturing and distribution of LED lightings through its subsidiary.