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Grand is located Hangzhou, the most beautiful city in China. Our plant covers an area of 3,000 square meters and has 148 employees. Grand specializes in a wide range of military and civilian slip rings which are positioning at medium and high-end market. Grand achieved the international certificates of ISO9001:2008, CE and RoHS, and we control quality strictly basis specified certification standard to ensure that our each product comes stable and good quality.

Grand has a long-term cooperation with domestic research institutes and has a rich experience in design and leading technology in slip ring industry, especially the patented technology on super long life and signal processing. With a great variety of slip rings, we provide technology consulting, customized, OEM and ODM service to our customer.