Huoda brand ( cnhoda ) Zhejiang Zhenqi Electric Co.,Ltd. started in 1996. It has a R&D team composed of several engineering designers who have worked in multinational factories and domestic research institutes. A high-tech company dedicated to the development and production of high-quality various types of conductive slip rings. Its main products are: mercury slip rings, rotary joints, conductive rings, collector rings, gas slip rings, etc., providing solutions for various fields of industrial control. High-reliability components that can optimize system design and improve system performance.