Most of the people think that the whatsApp and facebook are different platforms but now the owner  of facebook have buy the whatsApp. Due to this we can now connect our whatsApp business account to the facebook accouut, when you link your account to another account, you can also choose to sync your business contact information from facebook to whatsApp. You must be an administrator to turn on syncing.

How to connect your facebook page to whatsApp account the following step is given below:-

 1. first go to your page.

2. Click Settings in the right side of the top bar.

3. After click on the setting later click on whatsApp which is give in the slidebar.

4. Select your country code.

5. Enter you WhatsApp or WhatsApp business number.

6. Click on the send code button.

7. The code is sended in your whatsApp number see and write it  on code box.

Such steps is also follow on the Android phone same as computer. If you want to connect with i phone comment i also try to write page on this.