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Henghou Coal Mining Machinery Group Wikipedia

Henghou Coal Mining Machinery Group Wikipedia

The Zhenghou Coal Mining Machinery Group Company Limited ZMJ was founded in 1958 in Zhenghou China. We are one of the world leading manufacturers of longwall mining system. Our key business is to develop and manufacture hydraulic roof supports with supporting height from 0.55m to 8.5m and supporting force from 1600KN to 21000KN

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