NiSun Intl Enterprise Development Group Co, Ltd (NASDAQ:NISN) shares are trading higher on Tuesday. The company disclosed strategic partnership agreements with Shandong Hi-Speed Qingdao West Coast Port Co., Ltd., Shanneng (Qingdao) Smart Industrial Technology Co., Ltd., and Ningbo Weiduoduo New Material Technology Co., Ltd. This collaboration represents Nisun’s entry into the rubber supply chain market, with initial orders valued at approximately $13.5 million (RMB 95.6 million). The company plans to deliver 6,484.8 tons of rubber products, emphasizing its commitment to expanding into key indu…