4. Material Quality The quality of materials used in the construction of the machine itself also affects its price. High-quality steel and other durable materials may raise the cost but will also extend the machine's lifetime and reduce maintenance expenses over time.
The welding phase is perhaps the most important part of the production line
. There are several welding techniques employed, with the most common being high-frequency electric resistance welding (ERW) and submerged arc welding (SAW).