We are delighted to announce that our company has signed a production and supply contract for mineral wool acoustic panels, along with matching rafters and auxiliary materials, as well as a ceiling installation and construction contract with the Jiangsu headquarters of the Alibaba Group. We have been appointed as the supplier of acoustic ceiling interior materials for this project and have arranged for workers to carry out the ceiling installation and construction. 

Based on their design specifications, we have custom-manufactured 600*600 acoustic panels. The supply materials include 600*600 mineral wool acoustic panels (open frame, white), 600*600 specialized T-shaped painted steel profiles, and auxiliary materials and accessories. 

Here's the translation: Warmest wishes for the grand opening and smooth, successful progress of the Alibaba Group Jiangsu Headquarter Project!