Right quality, the right function, and the right cost, our services are trusted by leading industries all over the world. Hangzhou Grand Technology Co., Ltd. started as a special slip ring manufacturer in 2011. Grown into slip rings, rotary joints and slip ring assembly experts of today with 6,000 square meter manufacture complex. We obtained ISO9001, Rosh, CE, and GJB9001B certificates a number of slip rings, and rotary joint patents, and proud of our products can meet the military grade. We also collaborated with universities, institutes, and renowned factories across Asia and Europe including Panasonic, SIEMENS, CSIC, SAMSUNG, HUAWEI, etc.

A slip ring is an electrical connector designed to transmit current or signals between stationary wires and rotating equipment, it can transmit power and electrical signals from a stationary structure to a rotating structure. Typically, it consists of stationary graphite or metal contacts (brushes) that rub against the outer diameter of a rotating metal ring. Slip rings can be used in any electromechanical system that requires unrestricted, intermittent or continuous rotation while transmitting power and/or data.

Slip rings can be used on a variety of devices due to their functionality and work well. Mainly used in Surveillance & Video, Wind turbine slip ring, Stage lights, Entertainment equipment, Packing Machine, Robotic Arm, Construction Machinery, Medical, Marine, Cable reel, Automation, Measuring equipment, Military, Radar & Antenna and other equipment.

A rotary joint, also referred to as a rotary union or rotating union, is a rotary sealing device that connects rotating equipment to fixed piping for the transfer of steam, water, thermal oil, coolant, hydraulic oil, air, and other media.

A rotary union functions by connecting a stationary input (supply) to a rotating part, allowing a moving connection to be preserved and permitting the flow of media (liquids, solids and gases).

Radio frequency (RF) rotary joints are electro-mechanical devices that provide crucial interfaces between stationary and rotating sections of radar and other rotating systems. This interface allows signals to be transmitted back and forth between an antenna and ground components with little or no distortion.

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