Dear sir/madam, I am able to make chemical drp. You no need to give me any amount. I will make it in just one day and it will works for 20days. i have all kind of power grabbing and power giving electronic machines with me. I completed my B.tech ( chemical engg. ). I can give the power to copper plates or coins weight more than 100gms. MR 7 inch RR 3 inch Colour changes to brown and become dust you can wash it with any liquid or chemicals

cont : prasantpani579@gmail.com