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Tiefenbach Control Systems GmbH received a follow-up order worth approximately €2.7 million from Zhengzhou Coal Mining Machinery Group (ZMJ) to supply the electrohydraulic control system for the world's largest roof support system, purchased by China Shenhua Group.
“The order from the roof support manufacturer Zhengzhou Coal Mining Machinery Group Co. Ltd. (ZMJ) has a value of approximately € 2.7 million ($3 million).”coalage.com
Summarized from public sources; check the original articles before acting on it.