Product parameters Mounting positions 0°: Rollers oriented in longitudinal direction for low back pressure applications and product accumulation. 30°, 150°, 60°, 120°:  Designed for alignment and centering. 90°: Rollers oriented in lateral direction for easy transverse movements and side transfers. Applications Certificate Our company has passed FDA certification and ISO9001 quality management system certification, and has more than 200 patents. Customer service Our customer service personnel provide one-on-one service with you to solve problems in a timely and accurate manner.