Defect Reduction Analysis to Improve Glass Bottle Packaging Products Quality Using Statistical Process Control (SPC) at PT. Muliaglass Container (MGC)

Quality plays an important role, problems in the number of defects production cause a decrease quality. To prevent this increase defective products, it is necessary to evaluate most types determine causes so that corrective actions are obtained using statistical process control (SPC) methods and with 3 Pareto diagram controllers, charts fishbones. This research intended explore facts about Defect Reduction Through Statistical Process Control for Product Improvement Supervision help views on reducing products as target good product The implementation results study shows fairly reduction based calculation results, namely before repairs from January March 2021 total sales 550,962 pc after 2022 496,260 there 10% (54,702 pc). ) cost saving value Rp. 59,318,001/mon.