Pre-shipment inspection (PSI) is one of the many quality control tests conducted by Zhenyu Zipper Machines Co.,Ltd. This inspection is based on standard QC testing or on customer request. Based on these criteria and procedures, samples are randomly selected and defects are checked. For us, pre-shipment inspection is an important step in the quality control process and a way to check the quality of the zipper machine price before shipment.

ZYZM has a full set of management system and sound technology methods.
automatic ironing machine series manufactured by ZYZM Zip Making Machine include multiple types. And the products shown below belong to this type. The design of ZYZM metal H bottom stop machine shows professionalism. The mechanical properties, including materials hardness, structural toughness, efficiency, fatigue resistance have all optimized. The product is reliable in high quality and performance.

We contribute to the natural environment and make the environment of the earth more sustainable and beautiful. We will make a monitor system to control emissions, resources, and waste to track sustainable initiatives.