How to judge the quality of die in straw briquette machine
4. The strength and toughness of die: before processing, the straw briquette machine with the die of high quality has been repeatedly forged, so that the molecular arrangement and structure are more compact, which greatly improves the strength and toughness of ordinary carbon steel to ensure that the die of straw briquette machine never be deformed and keep high strength for a long-term.