Category 1: Unified Scrap Iron Recycling refers to a mix of waste steel, pig iron, and mixed thick and thin raw and processed scrap iron.

Category 2: Scrap Iron from Machinery, referring to waste steel from used machine tools and machinery.

Category 3: Stamping iron edge material, referring to the scrap material after steel plate and stamping machine stamping.

Category 4: Motor Iron, referring to the scrap steel obtained from the disassembly of used motors.

Aluminum and copper, among other metals, play a role in everything from electricity to electronics, making these materials widely used in everyday life. When it comes to recycling used aluminum and copper, proper processing is required before they can be reused. So, how should we correctly handle these discarded copper and aluminum?

Pre-treatment: The main pre-treatment technologies include compaction, crushing, sorting, and dewatering.

Physical Treatment: Flotation, Solution Leaching, Stabilization/Fixation Treatment, etc.

Biological Treatment Categories: Aerobic Composting, Anaerobic Digestion, Microbial Leaching, and Other Biological Treatment Technologies (Worm Composting for Organic Solids)

Four: Heat treatment includes combustion at high temperatures, pyrolysis (cracking), calcination, sintering, thermal decomposition, and sintering, etc.