Dear friends, I can chalange no buying group can work as smoothly and sime as we do. We are the only one who can chalangely deal only on one test mention below. 1. Battery test. 2. Digital watch test. 3. Flame test. 4. Liquid blue test. if any one having material positive with any of these tests. Please contact on mail. But if you expect to just relay on words and work for free those please dont waste time. You want to earn and want us to spend. Profit huwa to tumhara loss huwa to humara those kind of people i dont need.