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1. MACSUN SOLAR promise to provide our solar panel 10 years production-process protection and 25 years

output-efficiency protection (1st-year@3.5% efficiency attenuation, then by 0.68%/year efficiency attenuation).

 

2. MACSUN SOLAR promise to offer 3-year-warranty for solar power system,solar street lights,solar power station,etc.

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