Explanation：
Chongqing Hongjin Printing Co., Ltd. owns all kinds of packing material, printed products testing equipment.Hongjin Printing has established our own technology center, testing laboratory, from paper, inks, VOC volatile substances testing to printing color difference, barcode, printing surface smoothness and so on, covering almost all the printing packaging relevant links and has declared to be a national laboratory. We have passed 'ISO9001 Quality Management System', 'ISO14001 Environmental Management System', 'OHSMS8001 Occupational Health and Safety Management System' certifications each year since 2008. In 2013, our company was awarded 'National High-tech Enterprise'. We have the perfect standardized product quality management system. All the information ...