China's Printing Industry during the Anti-Japanese War

Before the outbreak of the War of Resistance Against Japanese Aggression, the printing companies run by the people throughout the country have spread all over the country; technically, "If foreign prints can be done, the people of the country can do more than they can. Their technical masters

Laizhou R&D New Type Electronic Packing Unit

The DCS-5 (5S) type electronic quantitative packing unit independently researched and developed by the Shandong Qiuqiu Practical Technology Research Institute has passed the appraisal organized by the Science and Technology Department of Shandong Province. Experts believe that the measurement accu

Printing equipment and equipment industry 1.1

Printing equipment and equipment, including a variety of prepress, printing, finishing machinery, apparatus, printing paper, ink, plate-making photosensitive materials and plates, as well as book printing and finishing materials. Printing equipment and equipment are the material basis for the deve

Modified liquefied epoxy adhesive

Epoxy resin has been developed for more than 40 years. Because of its excellent adhesion, durability and physical properties, it has been widely used in coatings, civil engineering and other fields. Commonly used epoxy resin as the main agent, amines, anhydrides for the ancient hit double liquid a

Anti-mold packaging technology

Articles made of organic materials include biological objects and their products and articles containing biological components. They are susceptible to mildew and spoilage due to the infestation and contamination of moldy microorganisms under normal environmental conditions. The quality of the art