ContactGet in touch with us for a quote and for any questions. Call Us +1(626)274-5289 Write Us service@astrasci.com Headquarter 9654 Minter Ct. Rancho Cucamonga, CA, 91737United States Frequently Asked Questions Is there a warranty? Astra Scientific provides 100 days warranty. Why was I charged extra? We charge extra for missing parts or for instruments that have been tampered before.