China Coal Rainbow Machinery Equipment Co., Ltd. (CCRB) was established in 1968, specializing in designing and manufacturing construction and mining machinery equipment includes ZM series dry mortar mixing plant, PSZ series coal mine crushing and screening plant and varieties of spare parts. They are widely used in coal, construction and chemical industry, also exported to Southeast Asia, the Middle East, South America and Africa, etc. We enjoy good reputation among our customers for our good ...