DEAR SIR / MADAM WE REQUIRE 12 V MINI DIAPHRAGM PUMP FOR KNAPSACK SPRAYER. QUANTITY OS 5000 PCS PER MONTH . OUR MAIL IS SHRAVANWAHDWA@GMAIL.COM AND WHATSAPP AND MOBILE IS 0091-9810064088. PL CONTACT US. OPEN FLOW IS 3.1 LIT.