Engineering Machinery For engineering machinery application, the slip ring has been used extensively in this field, also plays a very important rotating part in their equipment. All of us in the slip ring industry knows that, engineering machinery just is a wide or general name, for the reason which could be divided into many different field, for example, crane, port machinery, excavator, marine machinery, agricultural machinery, fire truck, tail lift truck and so forth. The slip ring in crane application is mainly installed on the center of gyration and transfer power and signal together. As per our experience in such application, we would like to recommend our through bore type design ( THR-T series ) or big current customization for you reference. Normally, this kind of slip ring has below some features: Big current and dimension. Compact structure and longer life time. High protection degree, high shock resistant and low temperature for special environment. Easy installation and smooth operation. Metal housing and precious metal contact materials. Power and signal combination. Maintenance free. Barlin Times has already built up very good cooperation relations with some famous companies in engineering machinery field for many years, we can make sure the best production time and fast service for you. So here, Barlin Times honestly expect your soon contact or email, hope you could give us a precious opportunity to provide superior service to you.