Changsha Kaiyuan Instruments Company (CKIC, 长沙开元仪器有限公司, also known as Kaiyuan Education Technology Group) is a manufacturer of mechanical samplers, sample preparation equipment, and analytical instruments. Its products include calorimeters, elemental and proximate analyzers, ash fusion determinators, coking coal indices determinators, hardgrove grindability index testers, sample preparation equipment, mechanical samplers, management systems, online analyzers, and robotic intelligent laboratory systems. The company serves coal and coke, alternative fuel, food and feed, and environmental applications.