 In June 2010 , auto parts manufacturer Sanoh America , located in Streetsboro , announced a $ 3 @.@ 5 million , 35 @,@ 000 @-@ square @-@ foot ( 3 @,@ 300 m2 ) expansion of their North American headquarters , while Austria @-@ based automotive part manufacturer Miba announced $ 30 million in new investments at production sites around the state . In September of that year , the new 87 @,@ 100 @-@ square @-@ foot ( 8 @,@ 090 m2 ) R & D facility of Amtex , Inc . , a subsidiary of Japan @-@ based Hayashi Telempu Co. based in Lebanon , became operational in Plymouth . 
