SAT NANO has been specializing in the production of Nano graphene oxide powder for over a decade and is an excellent supplier in China. Graphene oxide applications covering the energy industry fuel cell hydrogen storage material, porous catalyst carrier synthetic chemical industry, conductive plastics, conductive coatings and construction industries and other aspects of fire retardant materials. SAT NANO supply Nano graphene oxide powder 0.5-5um with 99% purity, we offer high quality and affordable price, which is deeply loved by customers.