北京赛车pk10直播

Powered Roof Support
Crushers are designed to crush lump coal and oversiz…
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Armored Face Conveyors
Crushers are designed to crush lump coal and oversiz…
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Crushers & Boot ends
Crushers are designed to crush lump coal and oversiz…
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NEWS
COMPANY PROFILE
Zhengzhou Coal Mining Machinery (Group) Co., Ltd (Hereafter referred to as ‘ZMJ’) was established in 1958. After over half a century’s development, ZMJ has become the largest company in the world in respect of R&D and manufacturing powered roof support used for fully mechanized coal mining. ZMJ is also the sole company listed both in Shanghai and Hong Kong Stock Exchange in China’s coal mining machinery industry...
GLOBAL SALES NETWORK
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