In July 2022, HOT SALES, etching machine，etching machine, shearing machine and exposure machine are packed for delivering to customer in Ecuador.

In March, HOTSALES, 500pcs zinc plates are packed for delivering to our customer in AUE.High quality zinc plates with good packing.

1. The corrosion process of galvanized sheetDuring the entire service cycle of galvanized sheet, the first corrosion that occurs is the oxidation of the galvanized layer on the surface. After a longer time to generate "white rust", the "white rust" on the surface further reacts with impurity gases s

Powder-free corrosion zinc plate making plays a pivotal role in letterpress printing, packaging printing, and anodized aluminum hot stamping. Its plate making process is relatively complicated. To make a printing plate that meets printing requirements, one must be familiar with its technology and op

In Feb, HOTSALES, 500pcs zinc plates are packed for delivering to our customer in Dubai. High quality zinc plates with good packing.

1. Introduction to etching:Etching is a technique in which material is removed by chemical reaction or physical impact. Etching techniques can be divided into two categories: wet etching and dry etching. It was first used to manufacture printed embossed plates such as copper plates and zinc plates.

Zinc plate making process　　 1. Corrosion operation process　　After the printed zinc plate is repaired, first use 3Be°dilute nitric acid solution to remove the surface oxide film so that the graphic on the layout reveals a clear and bright zinc quality. The layout can be cleaned up and should not be t

In NOV, HOT SALES, 50pcs zinc plates and 1 etching machine are packed for delivering to our customer in Pakistan.High quality printing plates and etching machine with good packing.