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 ethylene bis oleamide before they are shipped.

Sainuo Chemical is a famous oxidized polyethylene wax suppliers manufacturer in China. We have many years of exclusive experience in this industry. The aluminate coupling agent series is widely praised by customers. Sainuo oxidized polyethylene wax grows more varied with time and technology. The attention to details such as careful polish is not a requirement with this product, which makes it appealing to a number of different people.

We will increase our positive social impact through a range of sustainable strategies. We source sustainable raw materials, implement strict control on water usage, wastes discharge, and greenhouse gas emissions.