YDC series feed through jack is designed to meet the needs of the users and engineering. It has maintained and developed the traditional YDC series' advantages of advanced technology and good quality. It adopted computer analysis and optimum combination design. The cylinder of the jacks is made with progressive technologies of the prestress. This kind of jack is of small size, light weight and has very good sealings. It is of high strength, safety and reliable. The product can be widely used in different types of the anchorage in prestressed engineering with different attachments.
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