We are Indian manufacturers of Pesticides for the last three decades. We require Zinc Sulphate 33% (400 MT) & 36% (200 MT). Please quote best competitive prices at your earliest. Also, inform us where you are located and how far is your factory from Shenzen. Our Director Mr S Aggarwal is schedule to visit Hongkong/Schenzen on 11th to 14th Feb and would like to visit your factory. Pls confirm and revert urgently.