diff --git a/en/old-manual.md b/en/old-manual.md
index 7e99ed0..6201e1c 100644
--- a/en/old-manual.md
+++ b/en/old-manual.md
@@ -698,6 +698,7 @@ To be written...
 * [CCDCAM](http://www.ccdcam.com/) th?
 * [Filsion/Camasmart](http://www.camasmart.com/)
 * [FSAN](http://www.fsan.cn/)
+* [GeoVision](https://www.geovision.com.tw/)
 * [Herospeed](http://www.herospeed.net/en/)
 * [Huatu](http://huatudigital.com/)
 * [IPCAM](http://www.ipcam.xin/)