Hangzhou Grand Technology Co., Ltd. started as a special slip ring manufacturer since 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, GJB9001B certificates a number of slip ring, rotary joint patents and proud of our products can meet military grade.
We also collaborated with universities, institutes and renowned factories across Asia and Europe include Panasonic, SIEMENS, CSIC, SAMSUNG, HUAWEI etc.