- Kingdom Abrasive Co., Ltd.
- Address:No.12, Road 25 th, Taichung Industrial Park, Taichung , 40850 Taiwan
- Shengchn Enterprise Co., Ltd.
- Address:No. 23, Lane 29 Cheng Kung Rd., Taiping City, Taichung Country 41166 Taiwan
- Good Year Hardware Co., Ltd
- Address:no.52, Shangshi 3rd St Taichung 404 Taiwan
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