The Pre-Shipment Inspection (PSI) is one of many types of quality control inspections conducted by Nanjing Tengda Machinery 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 Bio Extruder before they are shipped.

TENGDA is in the leading position of domestic extruder machine suppliers market. According to the material, TENGDA's products are divided into several categories, and TDH-series is one of them. The product has good hygienic performance. It is saturated with non-toxic germicidal substances to guard against molds, algae, and bacteria. People who live in areas where electricity is not easily accessible love this product most! It does contribute great convenience to their lives. -Said one of our customers.

By improving management concepts and plans, TENGDA will continue to improve work efficiency. Contact!