The Pre-Shipment Inspection (PSI) is one of many types of quality control inspections conducted by Y&X Beijing Technology 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 flotation depressant before they are shipped.

Y&X Mining Reagent is one of China's premier manufacturer of phosphate flotation. We have been active in the industry for years. Y&X Mining Reagent is mainly engaged in the business of dithiophosphate and other product series. The stylish copper flotation are produced by our design experts. Its reliable performance is guaranteed with advance technology.

We are aware of the importance of sustainability. We emphasize the use of renewable resources and the conservation of water in our factories.