we Wuxi Tengxuan Technology Co., Ltd is one of the largest companies specializing in researching , developing and manufaturing rotary unions/joints.We adopt severe quality management following ISO9001:2000 by effective operation to improve impletment ...

Nanjing Longer is a professional designer and manufacture of precision slip rings, it was established in 2006, with more than 200 employees cover the area around 2000 foot square a.Nanjing Longer\'s engineers R&D team testing center are higher educational ...