We can customize staircase marble railings with pillars according to the size you want，We provide customized services. Please contact me and let's discuss the products you need. I will also give you some professional advice. If it's the size we often make. The production time is 35-40 days. If it's a custom size. After receiving the deposit, we will make CAD drawings for you according to the size and design you need. It takes 2-4 days to make the drawings. After you confirm the drawing, we will produce it for you according to the details of the drawing. The production time is 35-40 days.