... , Ball Bearing. 2. ISO9001:2000 & CE certificate 3.Export to Indonesia,Brazil,Romania,etc XK-400 RUBBER MIX MILLFeatures ... :1. The roll is made of chilled ... strcture, low noise and high efficiency.5. The base of the machine is a complete frame , so It' ... Cast Iron XK-400 Rubber Mixing Mill(CE Certificate) for Rubber & Plastic Industry