Japan cries foul as China slaps 99.2% import duty on key chemical for making computer chips

Japan has protested against Chinese controls that will limit its exports of a key chemical used to make computer chips, saying Tuesday that Tokyo is studying the potential impact on Japanese companies.

China imposed the curb on imports of dichlorosilane from Japan, saying its exports of the material, also known as DCS, have violated anti-dumping regulations and harmed China’s domestic industry.

Beginning Tuesday, companies importing the chemical compound from Japan must provide cash deposits to China’s........

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