OUR REQUIREMENTS 1-100% L/C (60-90 Day usance) Because of delivery time and preparation time. (HSBC Bank) 2-We require SGS,if not we test the copper sulfate at destination port. 3-After shipping we do final test and release your money 4-we will buy 100 tons avarage every month 5-we will buy many years 6-First order may take longer time then other orders 7-At the and you will have your money every month 8-we will buy many many years. 9-Last time 2 companies cheated us Cheater1-Shijiazhuang Caijin Copper co. cheater2 Tianjin Jindi Jiahe Chemical Co Please understand us ,here is our specifications Dear Sir/Madam We are USA Export & import company We will buy huge amount of copper su lfate. Agriculturel Grade specifications: Purity = more than 98 % copper more than 24.9% Lead maximum 40ppm Arsenic maximum 8ppm 8 ppm Cadmium maximum 8 ppm Must be dried blue christale Size :80 % of product must be 0.3-1mm Hasan Akgun Sipring Export & Import 194 Spindle Rd Hicksville NEW YORK 11801 USA www.spring-export.com Phone #00 1 516 444 59 44 00 1 516 465 9106 00 1 516 465 9106 email:genc2007ster@gmail.com Please give us your best CIF ISTANBUL/TURKEY Tons/price if you ready tocooperate with us. Lets start. Please do not ask any other payment type.