A fierce war of words has erupted between Dutch chipmaker Nexperia and its Chinese owner, Wingtech Technology, after China and the European Union signalled that their dispute should be resolved at the corporate level. Wingtech accused Nexperia’s head office of being insincere after the Dutch head office publicly released a letter that said the chipmaker’s Chinese unit had been unresponsive to requests for talks. The heightened tensions underscore the complexity in resolving the two sides’...