RaonSecure Co., Ltd., formerly TERRAUM CO., LTD., is a Korea-based company mainly engaged in the manufacture of communication equipment. The Company mainly operates in two business divisions: communication equipment division, which provides fiber optic transmission systems, Internet protocol (IP) based very-high-bit rate DSL (VDSL) access multiplexers, digital loop carrier (IDLC) multiplexers and others, and steel division, which mainly manufactures steel bars. It also engages in the plant and studio apartment rental business. On April 18, 2011, the Company changed its name from NeoWave, Inc. to TERRAUM CO., LTD. On July 3, 2012, the Company sold entire 100% stake in a Korea-based company, engaged in the investment business. On October 2, 2012, the Company merged with Lumensoft.co.,LTD., mainly engaged in the computer system integration and consulting businesses.