Dear Sir,Sub: - SULPHAMIC ACID 98 % PURITY for ExportWe require 1FCL SULPHAMIC ACID for export to USA. Kindly let us have your C.O.A. of any batch , specification of the product ,MSDS and packing details. Please give us your most competitive rates EX FACTORY with commercial terms and condition. Please quote for technical grade and descaling grade both.We are exporter of water treatment chemicals .Awaiting your reply in this matter.