 In August 2010 Arizona @-@ based International Technical Coatings announced plans to construct a 667 @,@ 000 @-@ square @-@ foot ( 62 @,@ 000 m2 ) , $ 15 million production facility in Columbus , while Pro @-@ Tec , a joint venture between U. S. Steel and Japan @-@ based Kobe Steel headquartered in Leipsic , announced in September 2010 a $ 290 million , 415 @,@ 000 @-@ square @-@ foot ( 38 @,@ 600 m2 ) expansion of existing facilities . 
