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Calender is paper or paperboard grooming equipment. Leizhan supplies the paper machine spare parts calendering machine.

A constant function of the forming part, press part and drying part of the paper machine is dehydration. Leizhan has manufactured pulp and paper machine for over 38 years.

Wet section chemistry has positive and negative effects on the machine’s operability. Wet section chemistry can be used to enhance drainage, reduce air ingress and eliminate foam. It also will cause the paper machine to malfunction, the paper sheets will produce spots and bubbles.