![Avatar of Li, Yin-Fu](https://vietnam.congty.org/avatar/29C875B2BA-default.jpg)
Li, Yin-Fu
Position: Author / Director
Address: 28 ngõ 34 phố Vạn Bảng, , Quận Ba Đình, Hà NộiCompany:
Vitop Chemicals Co., Ltd
Phone:
![](http://vietnam.congty.org/i/O65uMk-AhJMFz73JrAN66g%3D%3D/1.jpg)
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Position: Author / Director
Address: 28 ngõ 34 phố Vạn Bảng, , Quận Ba Đình, Hà NộiCompany:
Vitop Chemicals Co., Ltd