中国竞彩网官网下载:MCH 6 - New crankshaft forged with hardened rings

中国竞彩网彩网 www.zjgmif.com.cn Our MCH6 pumping unit has a new crankshaft, made with hardened rings. This new piece allows us to put bearing on hardened rings to improve durability and resistance, to achieve a much more reliable machine.



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