Weihai DIYI is a professional manufacturer of Hydraulic Rotary Actuators together with Research and development, manufacturing and sales. Our company was founded in 2016 and owns a high quality staff group. We insist on developing our business by the way of integrity, friendly, scientific philosophy and do our best to supply high quality products to our customers under the business philosophy of  "pragmatic, rigorous, efficient, responsible". Prodution are being widely used in mining, infrastructure, offshore drilling industries and so on and won a favorable reputation by the reliable quality.