Jiangsu Gdk Biotechnology Co. Ltd. will further develop its vaccine pipeline after it started trading on the Shanghai Stock Exchange Star Market on Aug. 2, where it raised ¥1.21 billion ($187 million) through an initial public offering of 22 million shares. The company plans to use the proceeds from the listing to establish a manufacturing plant to produce its quadrivalent influenza vaccine and invest in R&D for other vaccine candidates, as well as replenish working capital and repay bank loans.