... ;4. Junction box with UL and TUV listed, IP65;5. High transmission low iron tempered glass;6. Solar panels with TUV, IEC, CE ... , ISO9001, ISO14001, CEC marked and ETL, MCS in processing;7. Warranty ... industrial sites3) We offer knowledgeable tech support before and after the sale4)Solar modules with TUV, IEC, ETL, MCS, CEC, CE, ...