PT. Andrtitz Pekanbaru is a Pulp and Paper machine component company, having problems with the quality of the Crusher Knife items. Defect in Crusher Knife reconditioning process becomes a quality problem at PT. Andritz Pekanbaru. Improvements in terms of the process are needed to reduce the number of defects that occur using the Quality Control Circle (QCC) method. Quality Control Circle is qua…