精品久久久久久无码人妻热,AV片在线观看免费光看高清,亚洲无线码在线一区观看,99国产精品自在自在久久,天堂V亚洲国产V第一次

Based on our understanding of the impregnation and coating industries such as decorative materials, filter paper materials, and insulating materials and the experience of using equipment for many years, we have a better performance in the manufacture of rollers for equipment in these industries, especially the coating rollers and Metering roll.

Roll surface treatment

● After quenching and tempering treatment, to ensure the dense tissue structure

● Deep quenching on the outer surface, the hardness reaches HRC50~55

● The surface is electrolytically plated with hard chrome, and the hardness reaches HV800~900

● The surface is sprayed with ceramic, the hardness reaches HV900~1100

Surface treatment

● Mirror, super mirror grinding and polishing

● Can process all kinds of skin texture, reticulated texture, matte, frosted

● The surface is sprayed with Teflon, and various rubber surface coating rollers