The Pre-Shipment Inspection (PSI) is one of many types of quality control inspections conducted by Zhenyu Zipper Machines Co.,Ltd. With no exception, zipper machine is also inspected for quality control prior to shipment. This inspection is based on the product's Standard Acceptable Quality Limit specification or on customer request. Based on these criteria and procedures, samples are randomly selected and defects are checked. The Pre-Shipment Inspection helps both ourselves and customers to reduce the potential risk of delivery delay or/and fix or redo products. At last, the product will be photographed to ensure that the order is in perfect condition, complete, and properly packaged for shipment.

ZY Zipper Machine is a manufacturer that specializes in the design and manufacture of zipper machinery manufacturer. We have the best knowledge base and highly acclaimed customer service. The metal H bottom stop machine series is widely praised by customers. As a competitive product, zipper roll making machine also ranks top in its design. ZY Zipper Machine is prestigious for supplying stable quality of zipper pin box machine.

ZY Zipper Machine assures that proficiency is important, but more important is quality. Welcome to visit our factory!