China warns Japan of retaliation for possible new chip curbs

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(Bloomberg) — China has threatened severe economic retaliation against Japan if Tokyo further restricts sales and servicing of chipmaking equipment to Chinese firms, complicating US-led efforts to cut the world’s second-largest economy off from advanced technology.

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Senior Chinese officials have repeatedly outlined that position in recent meetings with their Japanese counterparts, according to people familiar with the matter. One specific fear in Japan, Toyota Motor Corp. (TM, 7203.T) privately told officials in Tokyo, is that Beijing could react to new semiconductor controls by cutting Japan’s access to critical minerals that are essential for automotive production, the people said, declining to be named discussing private affairs.

Toyota is among the most important companies in Japan and is deeply involved in the country’s chip policy, partly reflected by the fact that it has invested in a new chip campus being built by Taiwan Semiconductor Manufacturing Co. (TSM, 2330.TW) in Kumamoto, according to one of the people. That makes its concerns a major consideration for Japanese officials, in addition to those of Tokyo Electron Ltd. (TOELY, TKY.HA), the semiconductor gear-maker that would be principally affected by any new Japanese export controls.

The US has been pressuring Japan to impose additional restrictions on the ability of firms including Tokyo Electron to sell advanced chipmaking tools to China, part of a long-running campaign to curtail China’s semiconductor progress. With those talks, senior US officials have been working with their Japanese counterparts on a strategy to ensure adequate supplies of critical minerals, some of the people said, especially since China imposed restrictions on the exports of gallium, germanium and graphite last year.

The concern about Toyota has some historical precedent. In 2010, China temporarily suspended exports of rare earths to Japan after a clash in waters of the East China Sea claimed by both sides. The move shook Japan’s electronics sector and threatened to choke off global supplies of high-power magnets produced in Japan employing rare earths from China. Tokyo has since worked with mixed success to reduce its reliance on Chinese rare earth imports.

Shares of Japan’s chip-related companies fell after Bloomberg’s report of the China-Japan clash. Tokyo Electron shares fell as much as 1.9%, while Lasertec Corp. (6920.T) and Disco Corp. dropped as much as 2.8% and 3.3% respectively.