Both Kumho and Hankook have been the subject of regulatory scrutiny before.

锦湖和韩泰一直都是常规质量检查对象。

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The regulator reported 495 flawed tire cases last year, including swelling and side crack issues with Kumho tires and swelling problems with Hankook tires.

去年接到495例针对轮胎的投诉，包括锦湖轮胎的鼓包和侧面裂纹问题以及韩泰轮胎的鼓包问题。

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Cho Yang-Rai, 75, owns 15.99% of Hankook Tire, which trades on the Korean stock exchange.

FORBES: South Korean Cho Yang-Rai, Chairman Of Hankook Tire, Joins Billionaire Ranks

Hankook Tire of South Korea, has joined the billionaire ranks as shares of the company increased in value.

FORBES: South Korean Cho Yang-Rai, Chairman Of Hankook Tire, Joins Billionaire Ranks

In a statement issued in February about fiscal 2012 performance, Hankook said that sales grew particularly in emerging markets like Russia and Latin America.

FORBES: South Korean Cho Yang-Rai, Chairman Of Hankook Tire, Joins Billionaire Ranks