Because the three Tong can be used in a variety of industries, it can be divided into the following categories according to different types:
1. Carbon steel, cast steel, alloy steel, stainless steel, copper, aluminum alloy, plastic, argon, ppc, etc.
2. It can be divided into top making, pressing, forging, casting, etc.
3. According to manufacturing standards, it can be divided into national standard, electrical standard, water standard, American standard, German standard, Japanese standard, Russian standard and so on
