... equipment 2)Quality insurance. 3)Certificate:ISO,CE,ROHS,IEC,TUV. 4)OEM accepted solar cell 1)Full automatic welding equipment. 2 ... )Quality insurance. 3)Certificate:ISO,CE,ROHS,IEC,TUV. 4)OEM accepted.solar cell Efficiency(%)Pmpp(W)Umpp(V)Lmpp ...