WORLDEX INDUSTRY & TRADING CO., Ltd. is a Korea-based company mainly engaged in the manufacture of silicon parts used in semiconductor surface etching process. The Company's offerings consist of silicon parts including silicon electrodes, silicon rings, silicon boats, crystalline 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 engaged in the manufacturing of silicon ingots and quartz parts through its subsidiary, West Coast Quartz Corporation, a United States based company.