Though the missionaries introduced lead type printing and bronze block printing in latin, the introduction did not make substantive impact on Chinese printing industry.
传教士曾引进过拉丁文铅活字印刷和铜雕版印刷，但对中国印刷业没有产生实质性影响。
2
If you're printing in steel, there's a metal powder with a metal binder (a glue) that's laid down in the same way before going into an oven and getting infused with a bronze for durability.