This document provides a commercial offer for a gypsum grinding plant from Henan Winnermac Heavy Industrial Machinery Co., Ltd. The offer includes a main grinding mill unit, blower, classifier, and matching equipment like a jaw crusher, bucket elevator, and electromagnetic feeder. The total power requirement is 279.2 kW and the price is 747,000 RMB. Terms include bare package delivery within 20 days with 30% deposit and 70% payment by wire transfer or L/C before shipping. Installation assistance is available at 60 dollars per day plus expenses. Warranty is for 1 year excluding wearing parts.