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 pe wax powder before they are shipped.

Sainuo enjoys a bright future with reliable quality and brand popularity. As one of Sainuo Chemical's multiple product series, fischer tropsch wax series enjoy a relatively high recognition in the market. The production processes of Sainuo zinc stearate are separated into different stages and each stage is treated by sophisticated techniques. For instance, its steel part is treated with high-temperature to achieve optimized oxidization effect. A regular customer said that this product has both toughness and hardness and I think it will last longer.

The service assurance is also very important in Sainuo Chemical. Welcome to visit our factory!