Carbon products contains carbon materials and graphite materials, have been widely used in industries.

Refractory Materials are usually non-metallic materials having those chemical and physical properties that make them applicable for structures, or as components of systems, that are exposed to environments above 1,000 °F (811 K; 538 °C)。

Industrial raw material includes all kinds of material using in industry. Just like cement, cenosphere etc.

Minerals are often found deep in the ground

The components design of weld metal alloy system in high hardness steel