... , DJI, DJII, DX, CEMA,Australia,ISO,JIS or according to requirementsLife time50000HServiceDesign/OEM/Buyer lableMaterial FeatureWater, wear, dust and corrosion ... :Idler rollers are used for supporting belts and materials to ensure the steady running of belts. There are trough ... " brand adopt the most advanced technology and supermatic equipment to ensure the steady quality of the products. We have ...