centers for electronic products, located in the Metropolitan Region of Campinas, in the State of São Paulo, and in the Manaus Free Trade Zone, in the State of Amazonas. There are large internationally renowned technology companies, as well as part of the industries that participate in their supply chain. The country also has other smaller centers, such as the municipalities of São José dos Campos and São Carlos, in the state of São Paulo. In Campinas there are industrial units of groups such as General Electric, Samsung, HP and Foxconn, a manufacturer of Apple and Dell. São José dos Campos, focuses on the aviation industry. This is where the headquarters of Embraer, a Brazilian company that is the third largest aircraft manufacturer in the world, after Boeing and Airbus, is located. In the production of cell phones and other electronic products, Samsung produces in Campinas; LG produces in Taubaté; Flextronics, which produces Motorola cell phones, produces in Jaguariúna; and Semp-TCL produces in Cajamar. In Santa Rita do Sapucaí, Minas Gerais, 8 thousand jobs are linked to the sector, with more than 120 companies. Most produce equipment for the telecommunications industry, such as decoders, including those used in the transmission of the digital television system. In 2011, Brazil had the sixth largest chemical industry in the world, with net sales of $157 billion, or 3.1% of world sales. At that time, there were 973 factories of chemical products for industrial use. They are concentrated in the Southeast Region, mainly in São Paulo. In 2018, the Brazilian chemical sector was the eighth largest in the world, representing 10% of the national industrial GDP and 2.5% of the total GDP. In 2020, imports will occupy 43% of domestic demand for chemical products. Since 2008, the average use of capacity in the Brazilian chemical industry has been at a level considered low, ranging between 70 and 83%. In pharmaceutical Industry, most of the companies in Brazil have been established in São Paulo and Rio de Janeiro for a long time. In 2019, the situation was that, due to the tax advantages offered in states such as Pernambuco, Goiás and Minas Gerais, companies were leaving RJ and SP and going to these states. In 2017, Brazil was considered the sixth largest pharmaceutical market in the world. Drug sales in pharmacies reached around R $57 billion (US$17.79 billion) in the country. The pharmaceutical market in Brazil