The Pre-Shipment Inspection (PSI) is one of many types of quality control inspections conducted by Zhenyu Zipper Machines Co.,Ltd. With no exception, zip chain making 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.

ZYZM Zip Making Machine has a large production base and professional team to producing high quality nylon zipper machine. ZYZM Zip Making Machine focuses on providing a variety of zipper cutting machine for customers. ZYZM teeth remove machine is checked in every production stages, such as stress testing including heat or power breakdown. The product is tested under the high-temperature condition and is verified that it performs normally as well. Our nylon zipper machine have advantages of high quality and low cost for maintenance.

Our company bears social responsibilities. We have shifted to renewable sources of energy (sunlight, wind, and water), which enables us to minimize our dependence on fossil fuels, reducing utility bills, boosting profitability, and enhancing their corporate image.