- Dong Duong Vi Na Technical Trading Company Ltd.
- Address:71 , St HT13, Hiep Thanh Ward Ho Chi Minh,
- Mktech Co., Ltd
- Address:E3, 18 Road, Kha Van Can Str., HiepBinhChanh Ward, Thu Duc Dist, Ho Chi Minh City - Vietnam Ho Chi Minh, Tp.HCM
- Ntaco Corporatio
- Address:99 Hung Vuong St, Industrial Zone My Quy Ward, Long Xuyen, An Giang
- Hoa Sen Vang Co.,Ltd
- Address:57 Van Cong Khai Stress Binh Duong, TDM
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