How our deals work: 1. We agree on a set price based on the Fred Producer Index. Please refer to the following link: https://www.quandl.com/data/FRED/PCU2123222123221-Producer-Price-Index-by-Industry-Industrial-Sand-Mining-Industrial-Glass-Sand2. We give a 20% discount on the index.3. The price includes shipping to a major USA sea port in standard 20′ or 40′ containers. You have the choice of half or one ton jumbo bag. 4. 15% down payment is due at signing.5. 85% by confirmed irrevocable transferable letter of credit (L/C)We encourage our customers to:1. Inspect our mines2. Assign a third party for inspection Waiting to hear from you soon.