monocrystalline silicon pv modules TUV(IEC61215,IEC61730),CE,UL,ISO 5 years quality warranty,25years life span,have insurance 1) monocrystalline silicon pv modules are designed in consistent with IEC61215,IEC61730 standards2) Thin film deposited on the front surface by PECVD acts as antireflection coating and gives a uniform dark blue appearance.3) Modules are extruded by a sheet of toughened ...