Explovisual Technology Incorporation (ETI) is located in the most dynamic economic zone of China ? the Yangtze River delta economic zone near Shanghai . It is a high?teach company specializing in research and production of pharmaceuticals intermediates and fine chemicals ; custom synthesis of special chemical products ; provision of technical service . Presently , ETI?s core businesses include : High Purified Chemical Intermediates ?OLED Material ; OPC Material ; Custom Synthesis . We can ...