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Company Overview

CSUN is a leading manufacturer of solar cells and modules and closely affiliated with the renowned China Electric Equipment Group (CEEG), which has long established strategic partnerships with the KME group and DuPont. The CEEG group is one of the top two manufacturers of electrical transformers in China and also manufactures advanced composite materials used in the construction of aircraft and other transportations systems.

CSUN has extensive experience in the photovoltaic industry and is known for outstanding innovation, efficiency and quality. Initially, CSUN was focused solely on cell manufacturing and supplied leading European solar module manufacturers with cells. Today, CSUN has added a solar module production capacity of 1.2 GW and has sold over 3.0 GW of modules.

Vision, Mission & Values

CSUN are passionate about contributing to a world, which does not depend on power from fossil fuels. Their aim is to accelerate the adoption of solar technology across the world to conserve our environment and provide an environmentally friendly, sustainable and conflict-free power supply.

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Built to make a difference

CSUN provides the following high-efficiency mono- and polycrystalline modules:

  • QSAR I & II
  • Standard Mono Series
  • Standard Poly Series


  • Higher module standards than those laid down by international certification institutes to ensure that our modules can be used effectively at any location
  • Resistance to ammonia and salt spray for use e.g. in coastal and farming areas
  • Hail-tested with a diameter of 25mm and an impact speed of 23m/s

Certified Quality

Our production lines are certified according to international quality and environment standards ISO 9001 and 14001. Our modules have been tested by all major quality and safety institutions and are certified for global use according to e.g. IEC 61216 & 61730, UL 1703 and MCS.

Module performance

The value of each solar module is determined by the power it produces during its use. CSUN's modules have demonstrated outstanding levels of performance in world-renowned laboratory tests as well as during their use in actual projects, providing customers with both high energy yields and excellent returns on their investments.