high efficiency, polycrystalline silicon module, TUV standards good quality rsa-sun alliance insurance 6 inch mono cell 1. size of 1965*992*50mm, strong mechanical resistance, 156*156mm mono cell2. TUV standards materials and components,3. 5 years warranty, 25 years power output warranty4. RSA-SUN ALLIANCE insurance from renowned insurance company,5. sustainable supply capability6. warehouse in ...