- Yu-Ti Technology Co.,LTD
- Address:483,Wenchuan Rd.,Zuoying Dist.,Kaoshiung City 813,Taiwan(R,O,C) Kaoshiung City Taiwan(R,O,C) Taiwan
- Shanming Precision Work Co., Ltd.
- Address:No.58, Ln. 713, Chiatien Rd. Hemei Township Changhua County 508 Taiwan
- Derstrong Enterprise Co.,Ltd.
- Address:No.88, Lane 450, Youyuan South Rd., longjing dist. Taichung City NO 434 Taiwan
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