Beijing north hundred Kalema Machinery Co., Ltd. was founded in 1958, formerly the Ministry of Industry Machinery Beijing Institute of hoisting and conveying machinery pilot plant.
The combined method of speed key point monitoring and speed chart monitoring is advanced to prevent hoist overrolling,significantly improving the safety and reliability of mine hoist operation.
The succesful use at cage car pusher as train shunter in Yonshaba of Kaiyang Phosphate Mine .first of its kind in China, increases the mechanization level of shaft mouth and hoisting capacity.