SJM HOLDINGS CO.,LTD. is a Korea-based holding company engaged in the management of its subsidiaries. The Company’s main subsidiaries consist of SJM CO., LTD., SEOHWA Telecom Co., Ltd., CALSONIC KOREA INC., T&N Co., Ltd., Prewell Electronics (Shen Zhen) Corporation, SJM FLEX(M) SDN.BHD, SJM FLEX SA Pty. LTD, Benua Sakti Sdn.Bhd. and others. Through its subsidiaries, it mainly provides automobile parts, including flexible tubes and bellows; industrial bellows, as well as monolithic microwave integrated circuits (MMICs).