A ton of ore can extract a few grams to tens of grams of gold, and a ton of electronic waste can extract about 900 grams of gold, 1500-3000 grams of silver...

The process of making masks by the mask machine requires high precision, and the stability of the mechanical parts is more important...

The high-speed automatic one-to-one flat mask machine production line is a fully automatic high-speed flat...

It is composed of double-shaft crusher, material return system, dish screen, steel wire separator...

Packaging is a necessary condition for products to enter the circulation field, and the main means to achieve packaging is to use packaging machinery....

The four-side sealing wet tissue packaging machine can produce all kinds of dry towels and folded square hot and cold wet wipes at will in a short time, which is convenient and quick to use, clean and hygienic...

Copper rice machine equipment is the key equipment used to process waste wires to separate copper and plastic. ...

Waste circuit boards are a kind of highly hazardous solid waste. Unscientific treatment methods are bound to cause serious harm to the biosphere....

Fully automatic high-speed flat earband mask production line, including automatic raw material feeding, automatic conveying...