Pyrography also known as heat transfer, traditional Chinese art treasure is made by hot iron soldering in the object to burn marks. In ancient it’s called “Fire needle embroidery” , “fire strokes” and .
Preface: May 19-21, 2017, Thunder Laser held a "college students innovation and entrepreneurship activities” in Guangdong Institute of Mechanical and Electrical Technology. The activity was success and attracted a lot of attention from the.
Lamp is one of the applications widely used in our daily life. Along with the rise of living standard, people pursue not only lamp’s lighting function, but more for its decorative function.
Today is going.