Dear madam :THANK YOU, VERY MUCH, FOR YOUR EMAIL.Maam,COULD YOUR GOODSELF INFORM US =1) SOURCE OF THE ZINC ASH....2) COULD YOU SEND / DESPATCH AN SAMPLE OF (ZINC ASH) ALONG WITH THE CHEMICALS ANALYSIS CERTIFICATE / REPORT....KINDLY, REVET BACK, PLEASE.REGARDSMR. KESHAVLAL R. SHAHMR. VIPUL P. SHAHM/S. ARAT ELECTRO CHEMICALS PVT. LTD.Email : keshavlalrs@gmail.com 大家加油哟 ! 单子快快的来 !! Oh yeah !!!