... Long-term free maintenance Excellent high-speed THK linear guide ,Japan linear guide, THK, HRWCA/CAM due to effective ball quantity, ... designed to 45 ° line up of the antenna, and of course use what kind of attitude general. And because of the level and the deposit ... SMC, Taiwan and Germany kind dynamic element, Taiwan HIWIN linear guide of silver ball screw, drag chain, etc.! HRW35CAM , THK rail , ...