The production line of green laser pointer is the newest

 The visual effect of 200mW red green laser pointer is almost the same
As early as 1985, the German Volkswagen laser welding for the welding of the Audi models chassis, Toyota, Japan in 1986 using the method of laser welding filler metal for the welding of the body side frame. North America, high volume applications in laser welding technology in 1993, when the United States in order to improve the competitiveness of American car with the Japanese car made "2mm project. So far, almost all of the famous car manufacturer in the world, a large number of laser welding technology, including the structural parts involved, the framework of the car body side inner door panel, windshield, window frames, wheel cover plate, base plate, the middle pillar and so on. Auto body laser welding technology. Laser welding in automobile manufacturing, another important application of laser welding of automotive body framework, a typical example is the welding of car body roof and body side panels. The provider should deliver green laser pointer  in the good quality and high performance.
In addition to use in the factory, welding in a variety of environments, such as wild, underwater and in space. Where welding can be dangerous to give the operator must take appropriate protective measures during welding. Welded to the body may cause injury, including burns, electric shock, visual impairment, inhalation of toxic gases, ultraviolet radiation, excessive. Before the end of the 19th century, the only welding process is a blacksmith in use for hundreds of years of metal forging welding. The earliest modern welding technology in the late 19th century, the first arc and oxygen gas welding, and later appeared in resistance welding. The 20th century, early in World War I and World War II military equipment in great demand. The production line of  green laser pointer  is the newest.