保利联合：“二连浩特口岸危化及危爆品国际物流转运区”为公司控股股东旗下保利民爆公司建设

Group 1 - The core point of the article is that Poly United has confirmed the construction of the "International Logistics Transfer Zone for Hazardous and Explosive Materials" at the Erenhot Port, which is being developed by its controlling shareholder, Poly Minexplosion Company [2]