In international trade, establishing a comprehensive quality control system is crucial to ensure that adult products meet global market requirements. This article systematically elaborates on the three core stages of quality control, providing practical guidance for purchasing agents.

Pre-production quality control focuses on prevention. Purchasing agents should prioritize three core elements: First, raw materials must comply with international safety standards, requiring suppliers to provide complete material testing reports to ensure the absence of heavy metals and other harmful substances. Second, strict acceptance of production molds is necessary to ensure dimensional accuracy and surface finish meet design requirements. Finally, evaluate the production environment, including basic conditions such as workshop cleanliness and equipment specialization. Effective control at this stage can prevent quality risks at the source.

Quality monitoring during production focuses on consistency assurance. It is recommended that purchasing agents establish a multi-level inspection mechanism: online inspections should cover dimensional measurement, functional testing, and appearance checks; critical process parameters require Statistical Process Control (SPC) to promptly detect abnormal trends; meanwhile, ensure that operators strictly follow standard procedures. Through full-process monitoring, product quality stability can be effectively maintained.

Pre-shipment inspection serves as the final defense before products enter the market. Purchasing agents should conduct comprehensive inspections according to AQL sampling standards: packaging inspection must ensure durability and privacy protection; functional testing should cover all design features; reliability testing should verify product service life. Particular attention should be paid at this stage to compliance with target market regulations.