Any suggetions about business with Israelian ?

I got an inqury from an Israelite client...  It's a fresh customer for me. Those I figured out through his information couldn't help me much to know his reputation things.  A point:  he replied they only accept payment terms of L/C. that's what I'm worried about.
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CH4f1pB'vh Any seasoned person know how Israelite customers perform?  
c-b N6R:`k%KO I'm afraid that's a trap.