This document provides information about the OBCC100 Paper Corner Rounding Machine from Ningbo Obinder Co., Limited. The machine can round the corners of paper products like cards, notebooks, and books, with maximum rounding diameter of 100mm. It operates at 90 times per minute, uses 380V/750W power, and weighs 270KG. The machine dimensions are 1150 x 550 x 1350mm and it comes with round cutters of various standard sizes.