The Pre-Shipment Inspection (PSI) is one of many types of quality control inspections conducted by Hangzhou SanYuan Cable 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 control cable before they are shipped.

SanYuan is a company who focuses on producing fire alarm cable. SanYuan focuses on providing a variety of control cable for customers. We conduct rigorous tests to ensure that our products are defect-free and meet high quality standards. The product can meet varied demands of our clients and is being used more and more widely in the global market.

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