Engineering and technology research and experimental development; manufacturing of electronic components and assemblies; manufacturing of electrical signaling equipment; manufacturing of motorcycle parts and accessories; wholesale of motorcycle parts; manufacturing of auto parts and accessories; wholesale of auto parts; other unspecified manufacturing industries (excluding projects subject to licensing approval ); other wholesale industries not listed (excluding business items that require license approval); operating the import and export of various commodities and technologies (without a separate catalog of import and export commodities), except for commodities and technologies that are restricted by the state or prohibited from import and export; wholesale of electrical equipment; wholesale of hardware products; wholesale of building materials.