Founded in 2008, WINAICO makes premium solar modules for residential and commercial photovoltaic systems, bringing semiconductor-sector expertise to precision solar manufacturing. The German company has expanded across Europe and into the United States, Australia and Japan, with modules produced under rigorous quality controls for long-term performance in demanding weather.
TÜV-tested production facility
TV
Quality certification
Teko SolarEstablished in 2010, Teko Solar grew from solar-system integration and power-plant development into a manufacturer of solar modules and storage batteries. Its manufacturing base is in China, supported by offices in New York, Auckland and Shanghai and a California warehouse that helps it respond to immediate demand. The company also develops integrated solar-storage-charging systems for commercial and retail users.NEW YORK, NY
Yingli Energy Development Co., LtdFounded in 1998, Yingli Energy Development is a Baoding-based photovoltaic manufacturer that combines solar technology research, intelligent module manufacturing and power-station development. One of China’s earliest dedicated PV companies, it helped open the country’s commercial solar industry and is known for its PANDA n-type bifacial technology. Yingli says its photovoltaic products have reached more than 150 countries and regions, supported by research platforms and a global service network.PHILADELPHIA, PA
HanersunFounded in 2015, Hanersun manufactures solar modules and energy-storage systems while also developing and delivering complete clean-energy projects from its headquarters in Nanjing, China. The company was an early mover in 600W-plus and 700W-plus photovoltaic modules, including its 750W HItouch 6N TOPCon series, and operates a 2024 PVESS manufacturing base with a reported 95% automation rate. Hanersun says it has shipped more than 16GW of modules, developed or built 900MW of solar projects, and serves customers in over 100 countries.NEW YORK, NY
Ginlong Technologies (Solis)Founded in Ningbo in 2005, Ginlong Technologies manufactures solar inverters under the Solis brand for homes, businesses, and utility-scale solar projects. Its string-inverter line has earned international certifications, including U.S. UL 1741 certification in 2009, while the company supports regional customers through a global supply chain and local service teams. A Ginlong inverter was even installed on the Eiffel Tower in Paris in 2015.DUBLIN, OH