Visiting Chinese Premier Li Keqiang here on Sunday slammed the European Union (EU) for pursuing anti-dumping cases against Chinese solar power and mobile telecommunication equipment. At a joint press conference with German Chancellor Angela Merkel, Li said China firmly opposes to the EU investigation into Chinese-made solar panels and wireless telecom devices. \"The moves send to the world a signal of trade protectionism,\" Li said. \"They would not only hurt Chinese business and jobs, but also damage the interests of European industries, business and consumers.\" \"They harm others without benefiting themselves,\" Li said.