News Shandong Weigao Group Medical Polymer Co. agreed to buy Argon Medical Devices Inc. for $850 million September 25, 2017 Shandong Weigao Group Medical Polymer Co. agreed to buy Argon Medical Devices Inc. for $850 million Share this article Shandong Weigao Group Medical Polymer Co. agreed to buy Argon Medical Devices Inc. for $850 million