Our plants have been awarded the ISO 9001:2008 Certificate of Quality Management System, ISO 14001:2004 Certificate of Environmental Management System, OHSAS 18001:2007 Certificate of Safety Management System, and our production lines are under strict statistical process control (SPC).
Strict online and before shipment quality control are conducted by suing advanced inspection equipment.
JA solar's PV modules have been awarded with independent ISO, TUV, UL, JET, KTL, ETL, SGS, CQC, MCS certifications.
We are always working to make better products and spare no efforts to improve the quality and performance of our products.
We provide a 10-year material and craftwork guarantee on our modules. In addition, a 90%-power-output guarantee for 10 years and a 80%-power-output guarantee for 25 years of the module life are provided.