BriHyNergy Shenzhen Co. BriHyNergy Shenzhen Co. is a Chinese company specializing in the production of core materials and components for proton exchange membrane (PEM) and anion exchange membrane (AEM) water electrolysis for hydrogen production. Both PEM and AEM technologies are developed domestically in China. IDTechEx interviewed BriHyNergy at the China International Hydrogen Congress & Expo (CIHC) 2026 in Beijing, China BriHyNergy Shenzhen Co.