BEIJING (AP) — China on Tuesday put 20 Japanese companies on an export control list and 20 others on a watchlist, as tensions continue over the Japanese leader’s previous comments on Taiwan , the self-governed island Beijing claims as its own. Chinese exporters will be banned from selling dual-use goods, which can be used both for civilian and military purposes, to 20 Japanese companies, according to a statement by China’s Commerce Ministry. Companies targeted include multiple subsidiaries of