Metal Tube Cutting for Stair Railings and Handrails The Mingzhou Laser X90Y Metal Tube Laser Cutting Machine is designed for small-tube processing applications in architectural metal fabrication, including suitable components for stair railings, handrail support structures, and metal balusters. For manufacturers producing modern staircase systems and minimalist metal railing products, the X90Y supports specialized tube cutting and automatic male and female joint generation.