Helmet Impact Testing Machine, PV Modules, Instrument manufacturer / supplier in China, offering Solar Module Hail Impact Testing Machine for IEC 61215-2: 2021 IEC 61646 UL 1703 Standard Test, Wet Leakage Terminal Box Knockout Testing Machine Solar PV Module Tester Instrument, PV Robustness of Termination Testing Machine Cord Anchorage Pull Testing Cord Anchorage Torque Testing Retention of Junction Box on Mounting Surface and so on.