China has intensified trade tensions with Japan by launching an investigation into imported dichlorosilane, a semiconductor chemical, following an application from its domestic industry alleging price dumping. This action follows Beijing's recent ban on exports of dual-use goods to Japan. The measures appear linked to Beijing's displeasure over statements by Japanese officials regarding Taiwan and a recent visit by a Japanese lawmaker to Taiwan, which China considers its territory. China views the lawmaker's visit and statements as provocations.