The development history of film laminated steel technology in China
There is a long story about the story of China's study, development and production of film laminated steel.
In the 1970s, the export of canned food was a more important task for China. Due to my duties, I studied hard and found that the bonding force between the coating film in the can and the metal sheet, commonly known as adhesion, will affect the quality of canned products. If the adhesion...
0 Σχόλια
0 Μοιράστηκε