A rolling guide device (160) has a raceway rail (161) as a railway member and has a mobile body (163) movably installed on the raceway rail (161) with balls (162) in between.
滚动引导装置(160)，具有作为轨道部件的轨道导轨(161)、和经由滚珠(162)移动自如地安装在该轨道导轨(161)上的移动体(163)。
The unique roller system, make excellent guide rail, accurate balancing mechanism, ensure that door body smooth operation, lighter and noise.
独特的滚轮系统，制作精良的导轨，精确的平衡机构，确保门体运行平稳、轻巧、无噪音。
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