- Dun Yu Technology Co., Ltd.
- Address:4F-1, No. 21, Lane 169, Kang-Ning St., Sijhih, New Taipei City, Taiwan 221 Taiwan
- RealThink Electronics Ltd.
- Address:4F Building 1, No.3 West Shangxue Industrial Park Bantian, Longgang, Shenzhen Quandong 518114 Taiwan
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