售后服务
线上技术支持, 现场安装, 现场指导, 现场检测, 免费备件, 退换货, Other
Material
Chrome Steel/GCr15 Stainless Steel
Feature
Rolling smoothly,quiet,long time sustainable working
Application
door & window system, machinery / bike / car /skateboard
Cage
Steel Cage.copper Cage.nylon Cage
Package
Plastic Tube+Carton+Pallet
Advantage
Low Noise.easy Running.less Friction