African Mineral Standards (AMIS) is a leading international manufacturer of a wide range of matrix Certified Reference Materials (CRM’s). AMIS CRMs are for the mining and mineral exploration industries. AMIS also provides mineral laboratories with an Interlaboratory Testing Scheme service. AMIS customers are junior and major mining companies and various commercial mineral laboratories. ISO accreditations: 9001:2015 (Quality), 17034:2016 (CRM production), 17043:2010 (Proficiency Testing).