Patent certificate for the invention of a safe knife sharpening device for hardware production
Utility model patent for an artificial intelligence grinding machine with a rotary and interchangeable grinding tool
An automatic knife sharpening device and its control system and control method invention patent certificate
20170215 Knife handle appearance Knife handle (150055)
Honors of the 8th Guangdong Provincial Governor's Cup Industrial Design Competition
Honors of the 8th Guangdong Provincial Governor's Cup Industrial Design Competition
Kitchen Knives and Wooden Knife Block
20100407 Certificate of cast high-boron high-speed steel for composite ring roll and its heat treatment method
20110817 Prestressed thick wall roller sleeve combined roller certificate
20120620 (A stainless steel composite corrosion-resistant steel bar and its preparation method)
