The Pre-Shipment Inspection (PSI) is one of many types of quality control inspections conducted by Sinowon Innovation Metrology Manufacture Limited.. With no exception, rockwell hardness test experiment 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.

Sinowon is a modern enterprise specialized in vision measurement system production. Sinowon is mainly engaged in the business of linear scale and other product series. During the production of Sinowon ultrasonic hardness tester, it is strictly tested, including lifetime test, heat and power breakdown test, and mechanical damage test. It is easy to operate, with fast speed. The professional QC team guarantees its quality by following the strict international standards. The product has been installed in many countries such as the US, Canada, Mexico, and Germany.

The excellent performance of comparator machine is our commitment.