Yudong packaging is a professional cosmetic and personal care packaging manufacturer which incorporating with design, manufacture and sales since 2013. We have got ISO9001 and SGS certificates and more than 30 certificates of design patent. We supply variety of makeup packaging and skin care packaging, the major materials including plastic, aluminum, PCR, Acrylic, glass, wood.
The 2023 National Cosmetic Safety Science Popularization Week was officially launched on May 22 in Beijing, marking the beginning of a week-long event aimed at promoting awareness and understanding of cosmetic safety science. The launching ceremony, guided by the State Food and Drug Administrati...
Yudong Company was established in 2013 and has established a good reputation as a leading supplier of cosmetic packaging materials. With many years of industry experience, the company provides comprehensive production processes to meet the diverse needs of customers. One of Yudong’s key st...
PET Preforms Under certain temperature and pressure, the mold is filled with raw materials, and under the processing of the injection molding machine, it is processed into a preform with a certain thickness and height corresponding to the mold. PET preforms are reprocessed by blow molding ...
I. Major Categories of Plastic Materials 1. AS: The hardness is not high, relatively brittle (there is a crisp sound when tapping), transparent color, and the background color is bluish, it can be directly in contact with cosmetics and food. In ordinary lotion bottles and vacuum bottles, it is us...
The oxidative degradation of raw materials may cause discoloration when molding at high temperature; Discoloration of colorant at high temperature will cause discoloration of plastic products; The chemical reaction between the colorant and raw materials or additives will cause discoloration; The...