(Bloomberg) -- China National Chemical Corp. received approval from U.S. national security officials for its $43 billion takeover of Swiss chemical company Syngenta AG.

The Committee on Foreign Investment in the U.S., has cleared the transaction, the companies said in a statement. The deal, expected to be completed by the end of the year, is still subject to antitrust review by regulators worldwide, according to the statement.

--With assistance from Prudence Ho To contact the reporter on this story: David McLaughlin in Washington at To contact the editors responsible for this story: Ben Scent at, Sara Forden at, Young-Sam Cho, Sam Nagarajan

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