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Japan's Hitachi Chemical finds improper testing of 30 more products

TOKYO (Reuters) -- Japan's Hitachi Chemical Co has found improper tests were conducted on nearly 30 more products, accounting for about a tenth of revenues, the firm said on Friday, deepening a compliance crisis that has battered its shares.

In a statement, the Hitachi Ltd unit said the items included material used in lithium-ion batteries and affected about 1,900 companies.

That was in addition to the roughly 500 companies affected by the initial finding of improper tests on lead-acid batteries in June, it said. No defects, safety issues or illegal conduct have been found so far, it added.

This week, Hitachi Chemical said it had failed to properly test parts used to encapsulate semiconductors, and a panel of external experts was investigating the issue.

Compliance issues first surfaced in June, when Hitachi Chemical found data falsification in quality tests of lead-acid batteries for industrial use over a period of more than seven years, affecting about 60,000 products.

It joins a growing list of Japanese manufacturers including Kobe Steel Ltd, Toray Industries Inc and more recently, KYB Corp, that have admitted to data falsification or other types of misconduct.

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