The Pre-Shipment Inspection (PSI) is one of many types of quality control inspections conducted by Qingdao Sainuo Chemical 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 random polypropylene before they are shipped.

Sainuo Chemical has become a mature manufacturer over the years of development. We are recognized as an expert in the manufacturing of fischer tropsch wax. Lubricating dispersant series manufactured by Sainuo Chemical include multiple types. And the products shown below belong to this type. Unique design ideas make polyethylene wax more practical. This product has the characteristics of low energy consumption. Optimized circuit layout, less wiring, and reduced energy consumption to a certain extent.

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