![Avatar of Huynh Howard Xuan (Huỳnh Xuân Hoa](https://vietnam.congty.org/avatar/52I74AA3AE-default.jpg)
Huynh Howard Xuan (Huỳnh Xuân Hoa
Position: Author / Director
Address: K34 Trần Hưng Đạo, , Quận Sơn Trà, Đà NẵngCompany:
Tammy Services & Trading Company Limited
Phone:
![](http://vietnam.congty.org/i/vBeI28QMDa339ljSwi2qSA%3D%3D/1.jpg)
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Position: Author / Director
Address: K34 Trần Hưng Đạo, , Quận Sơn Trà, Đà NẵngCompany:
Tammy Services & Trading Company Limited