Alfa Chemistry Graphene is a biotechnology company focusing on graphene materials and is the world's leading graphene producer. Our employees are committed to bringing the successful development of graphene applications for customers in more than 60 countries and regions around the world. The original intention of Alfa Chemistry is to provide the most affordable, high-quality and reproducible graphene for researchers and companies interested in exploring the potential of graphene. 7440-44-0 https://graphene.alfa-chemistry.com/search?q=7440-44-0