Graphene Mnft Group stock news
Graphene Manufacturing Group Ltd (GMG) announced that its THERMAL--XR® ENHANCE coating has reached a significant performance milestone, surpassing 30,000 hours of salt spray testing under the ASTM B117--19 standard at an external laboratory. The certification of no observed corrosion validates the product's long--term durability and effectiveness in protecting heat exchange surfaces in extreme environments, supporting its commercial application in the HVAC--R and industrial sectors.