Oncology drug development company Celsion Corporation (www.celsion.com) has signed a long-term technology transfer, manufacturing and commercial supply agreement with Zhejiang Hisun Pharmaceutical (en.huahaipharm.com), a leading pharmaceutical company in China, to pursue an expanded partnership for the technology transfer relating to the clinical and commercial manufacture and supply of GEN-1, Celsion’s proprietary gene mediated, IL-12 immunotherapy, for the greater China territory, with t...