
SHANGHAI JA SOLAR PV TECHNOLOGY CO., LTD. manufactures high-performance solar cells, wafers and modules, leveraging advanced R&D and vertically integrated production across the PV supply chain.
SHANGHAI JA SOLAR PV TECHNOLOGY CO., LTD. manufactures high-performance photovoltaic products that convert sunlight into electricity for residential, commercial, and utility-scale power generation. Headquartered in Shanghai, the company serves the global renewable energy market with a focus on consistent product quality and efficient, cost-effective manufacturing.
With selectively optimized vertical integration, its manufacturing facilities cover the full photovoltaic supply chain, including wafers, solar cells, modules, and PV system project development services. The company reports annual production capacity of 3 GW for solar cells, 1.5 GW for modules, and 1 GW for wafers.
Innovation is driven through a state-of-the-art research and development center, where teams develop new fabrication processes aimed at lowering manufacturing cost while improving conversion efficiency in volume production. The company has developed proprietary quasi mono-crystalline and mono-crystalline cell technologies, with conversion efficiencies rated over 18.6% and 19.5%, and continues to advance module assembly processes to maintain low cell-to-module power loss.

Operations span wafers, solar cells, modules, and PV system project development services, supporting consistent quality control and coordinated production across the photovoltaic supply chain.
A dedicated R&D center develops breakthrough technologies and improved fabrication processes to reduce manufacturing cost and enhance conversion efficiency in volume production, while advancing module assembly to maintain low cell-to-module power loss.
The company supports international customers through a global sales and marketing network, including a U.S. headquarters in Silicon Valley, California, and a European office in Munich, Germany.
Listed under NASDAQ: JASO.
Reported 15.8% increase from 1.46 GW shipped in 2010.
Ranked first in China and second globally for cell production in 2011 in a SolarBuzz annual industry report.
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