The Pre-Shipment Inspection (PSI) is one of many types of quality control inspections conducted by Zhenyu Zipper Machines Co.,Ltd. This inspection is done according to standard QC Test, or based upon customer requirements. Samples are selected and inspected for defects at random, according to these standards and procedures. For us, Pre-Shipment Inspection is an important step in the quality control process and is the method for checking the quality of zipper cutting machine before they are shipped.

ZYZM Zip Making Machine owns several modern production lines to manufacture high quality zipper marking machine. ZYZM Zip Making Machine's nylon zipper machine series include multiple types. The design of ZYZM zipper open end cutting machine is complicated. It is based on building structural systems as well as other factors such as climate and aesthetic preferences. The strict quality control system ensures that the product has a quality that meets the international standards.

Our goal is to create spaces that allow bright and brilliant minds to meet and come together to discuss pressing issues and take action on them. Hence, we can make everyone to extend their talents to help our company grow.