Ai Xien Soybean Lecithin Granule is a top-grade soybean lecithin product produced by ADM Company of the United States using patented technology-low temperature ultrafiltration process. Because the low-temperature ultrafiltration process is still in the patent protection period and can only be applied in the United States, every batch of Ai Xien soybean lecithin particles is produced in the United States.