Does "The city has also attracted foreign investment, multinational firms such as Siemens, Ericsson, Volkswagen, Iveco, A.O. Smith, and Sharp have established their lines, and a number of multinationals such as Ford, IBM, Lucent, Samsung and SAP established research center there." contain the correct answer to "Companies such as Ford, IBM, Lucent, Samsung and SAP have built what in Nanjing?"
yes