The Pre-Shipment Inspection (PSI) is one of many types of quality control inspections conducted by Dongguan Tongda Printing Co., Ltd. With no exception, paper bag is also inspected for quality control prior to shipment. This inspection is based on the product's Standard Acceptable Quality Limit specification or on customer request. Based on these criteria and procedures, samples are randomly selected and defects are checked. The Pre-Shipment Inspection helps both ourselves and customers to reduce the potential risk of delivery delay or/and fix or redo products. At last, the product will be photographed to ensure that the order is in perfect condition, complete, and properly packaged for shipment.
Tongda has been an important market player of paper bag for years. We are renowned as an expert in R&D, design, and production. Tongda's Book Printing series include multiple types. The production of Tongda electronic packaging box is standardized and highly efficient. It complies with environmental protection standards for safe export. It is highly resistant to chemical corrosion. It is electrostatically sprayed with the powder paint to form a thick layer which can protect the surface from corrosion. Its surface has a high degree of glossiness.
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