Material: high quality 45# seamless steel tube and alloy steel precision forging pipe.

Structure: all kinds of runner or jacket design.

Processing: automatic sand blasting machine for roller surface sandblasting.

Accuracy: the temperature difference between cooling and heating is less than or equal to 1 degrees C, and the thermal deformation is less than 0.01mm. The flatness is less than 0.005mm, the beating is less than 0.005mm, and the coaxality is less than 0.005mm. The surface hardness is HRC55-58 and hardness is HV1000 (HRC62) after chrome plating.

Usage: Used in extinction, matting, fog and hemp of various plastic sheets, sheets, films, leather, paper and other products.