The Pre-Shipment Inspection (PSI) is one of many types of quality control inspections conducted by Yongjia Liaoseal 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 cable lock seals before they are shipped.

Yongjia Liaoseal is a professional and large-scale Chinese electric meter seals manufacturer. 's container seal series contains multiple sub-products. A wide range of tests for container seal has been conducted. These tests incorporate arc flash hazard testing, cabling testing, electromagnetic compatibility (EMC) testing, and performance testing. It is really hard for me to find any damage and no more leakage generated by using this product when it is applied in the extreme environments - Said one of our customers.

Bearing social responsibilities, our company optimizes business operations and facilities. Because of basic necessities such as temperature control, lighting, gas, plumbing, water, and electricity to power machines, simply running the business has an impact on the environment.