Xinlei operates on the principles of integrity and legality, prioritizes safe production, and focuses on superior service quality. We strengthen internal management to provide high-quality services to our clients. Our mission is to "provide professional solutions for quality management in SMEs," and we are committed to "becoming the best business partner for quality management in SMEs."

In quality control, random inspection has become the mainstream inspection method. The core reason is that it maximizes cost control and efficiency while ensuring inspection effectiveness, and also maintains the scientific nature of sampling inspection. Specifically, this can be analyzed from the following dimensions:

In the field of quality control, Pre-shipment Inspection (PSI) refers to a comprehensive quality, quantity, specifications, and packaging inspection of goods conducted by the buyer, a third-party inspection agency, or personnel mutually agreed upon by both parties, according to the standards stipulated in the contract, before the goods are completed and ready for export or delivery. It is a crucial quality control step to protect the rights and interests of both trading parties.