Grinding Mills
Know MoreWe are a large-scale joint-stock enterprise integrating R & D, production, sales and service After 40 years of innovation and development, we now have three major production sites (sandstone, grinding and beneficiation) and become an enterprise with both soft and hard strength in China's mining machinery industry...
Roman Mills
Know MoreJun 13, 2016· It was the earliest known machine to use a crank with a connecting rod mechanism A relief on the sarcophagus of Marcus Aurelius Ammianos (dating back to 250-300 CE), in the ancient city of Hierapolis near modern-day Pamukkale in Turkey, gives a clear representation of how it functioned...