diff --git a/README.md b/README.md
index aa9dc9d..5cec07e 100644
--- a/README.md
+++ b/README.md
@@ -166,6 +166,15 @@ func main() {
 
 Contributions are welcome! Open a pull request to fix a bug, or open an issue to discuss a new feature or change. XML is compliant with [part 1 of the 5th edition of the ECMA-376 Standard for Office Open XML](http://www.ecma-international.org/publications/standards/Ecma-376.htm).
 
+
+## Who is using Excelize
+
+![](./test/images/360.png)
+
+[Add our company](mailto:xuri.me@gmail.com?Subject=Please add our company in Excelize README page&Body=Hello, this is <your name> from <your company name>.
+We are using Excelize and will be proud to add our company name to Excelize README page.
+Please see attachment for our logo. <Be sure to include logo in attachment>)
+
 ## Credits
 
 Some struct of XML originally by [tealeg/xlsx](https://github.com/tealeg/xlsx).
diff --git a/chart.go b/chart.go
index 1f68505..4d0f763 100644
--- a/chart.go
+++ b/chart.go
@@ -170,8 +170,8 @@ func parseFormatChartSet(formatSet string) *formatChart {
 //     bar                 | bar chart
 //     barStacked          | stacked bar chart
 //     bar3D               | 3D bar chart
-//	   bar3DColumn 		   | 3D column bar chart
-// 	   bar3DPercentStacked | 3D 100% stacked bar chart
+//     bar3DColumn         | 3D column bar chart
+//     bar3DPercentStacked | 3D 100% stacked bar chart
 //     doughnut            | doughnut chart
 //     line                | line chart
 //     pie                 | pie chart
diff --git a/test/images/360.png b/test/images/360.png
new file mode 100644
index 0000000..7b3f57a
Binary files /dev/null and b/test/images/360.png differ