We all know that welding tips are widely used, especially in the automotive industry, because some countries have used laser welding tips in the automotive industry since 1969. In addition to being widely used in automotive body welding, laser welding heads are also widely used. In various automotive parts, such as automotive high voltage relays, filters, torque sensors, turbochargers, oil rails, cylinder gaskets, spark plugs, segmented motor stators, seat adjustment screws, airbags, etc. However, the requirements for different parts of the car are different. At present, many laser welding head manufacturers can no longer meet the requirements.