Shanghai QYY Solar co .,ltd is a technology company specializing in photovoltaic new energy technology research and product development and production, and has passed ISO9001, ISO14001, OHSAS18001 system certification. It is a leading manufacturer of solar energy products, a comprehensive service provider of grid-connected engineering and construction. The company has strong technical strength, sophisticated production equipment and advanced production technology;The company's core R & D, production and sales products include solar panels, photovoltaic and off-grid power generation systems, solar monocrystalline modules, solar street lights, solar ...