Inquiry (采购产品): quiery about welding what is the advantages of inverter based resistance spot welding over thyrister based resistance spot welding. secondly is there any reason that higher conductivity metal is kept upper side than lower conductivity during welding. thanks reply as soon as possible. **** Hidden Message ***** ashish kumar L&T , EBG/ESP?TUC, Gate no. 7, Saki vihar road, powai campus. mumbai400072 IND Company: Larsen & Toubro Limited Phone: +919833535247 E-mail: ashishk@lntebg.com **** Hidden Message ***** ashishk@lntebg.com