Is the Jinhao 9019 an upgraded version of the x159?

Thank you for watching and supporting this channel.

My Blog: http://www.michaelshobbies.wordpress.com
Instagram:   / the_offstage_me  
Twitter:   / the_offstage_me  
Email: [email protected]

The opinions are my own, based on my own experiences with the product. Not to be used for reference or as gospel.