Seoul Quartz Co., Ltd was incorporated by foreign invested funds (80% from America and 20% domestic) in Jul. 1, 1988 but was changed over to a domestic corporation (100% domestic funds) in Nov. 15, 1999. We are specialized in processing parts used for a communication system and semiconductor. We manufacture Quartz Wafer, Quartz Blank and Window Cover for a phone camera in quartz products and produce ferrite processing and dielectric board processing in similar semi-conductor processed products. We have excellent processing technology for various materials such as tempered glass. After the establishment, we not only have concentrated on developing new high-quality products through continuous R&D but also have accumulated technology by long service of skillful engineers in manufacture. Furthermore, as making an effort at quality management like as certificate of ISO9001, our technology is recognized in other countries as well as in domestic and reputed to have international competitiveness in the same industry. In addition, we have the best technology in cutting and plane processing of artificial quartz parts including tempered glass for industrial use, and similar semi-conductor. Besides, Employee Stock Ownership Plan is carried out.