Yu Ching Technology Co., Ltd. 5F-A., No.16, Ln. 345, Yangguang St., Neihu Dist., Taipei City 11491, Taiwan (R.O.C.) http://www.yc-tech.com mail: sales@yc-tech.com          service@yc-tech.com TEL: +886-2-2659-5786 FAX: +886-2-2658-7135