联赢激光：公司的环形光斑光纤激光器可以满足紫铜、黄铜、铝材等多种有色金属加工

Group 1 - The company, Lianying Laser, has developed a ring-shaped spot fiber laser that can process various non-ferrous metals such as copper, brass, and aluminum [1] - The laser is suitable for precision high-speed welding of high-reflective materials and can also be applied in the 3D printing sector [1]