GRINA is a new energy company specializing in solar off-grid inverters, off-grid controllers and off-grid application systems. The professional technical team is composed of experienced PV experts including off-grid tech and inverter specialists, excellent PCB designers and program development personnels. It can offer you both professional and quality services from research and development, production to sales according to your requirements.　　　　　　　　　Comparison of the products already have in Chinese PV market, GRINA reposition the off-grid inverters, off-grid controllers and off-grid application systems by the analysis and conclusion of similar products in China. Company kept the merits of traditional products but also achieved the breakthrough in higher reliability, more stability, more efficient, lighter weight and smaller size. The same time truly achieve the goal of energy conservation and environmental protection.