High Speed Intelligent SMT Production Line Automatic 90 Degree L Type PCB Unloader Machine HS LD330 For PCB Board Handling SMT Assembly Line Equipment Product Introduction The 90 Degree L Type PCB Unloader is a high-speed intelligent SMT board handling machine specially designed for corner line layout and directional switching of circuit boards. Also known as L-shape PCB unloader, this automatic equipment solves the layout limitation of traditional straight-line unloaders,