Established in 2006 year , NESL solartech is a leading manufacture of solar panel , solar charger in China . 1. Manufacturing Capacity and locations Changzhou: 300MW (automatic production lines) 2. Other branded modules being manufactured at the production facility Other branded modules being manufactured at the production facility: ILB Helios, Up Solar. 3. Manufacturing Quality control and assurance procedures NESL branded modules have a number of certificates. These are outlined below. TUV SUD: 125*125 mono /module power: 20w-200w 156*156 mono /module power: 20w-300w 156*156 poly/module power: 20w-280w UL: 125*125 mono/module power: 160w-200w 156*156 poly /module power: 50w-300w MCS: 125*125mono/module power: 20w-200w 156*156 mono/module power :20w-300w 156*156 poly /module power: 20w-280w CE: Module power: 5w-300w ISO: 9001