SIGN
Graphene stock

Big news out.

http://www.signetinternationalholdings.com/news/


They have Jay Mondal PhD Graphene expert working with them now.

https://www.linkedin.com/in/jay-mondal-394a0210/

https://www.researchgate.net/profile/Jay_Mondal

https://nanographene.net/ultrapure-affordable...-graphene/

He did research for this company also.
Dr. Jay Mondal (Head R&D Scientist, Technical and Product Development)