Hi-tech Material Co.,Ltd is the leading manufacturer of carbon carbon racing brake disk in China,Website:http://www.htma...

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Hi-tech Material Co.,Ltd is the leading manufacturer of c/c composite sheet in China,Website:http://www.htmagroup.com, w...

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Hi-tech Material Co.,Ltd is the leading manufacturer of 2D c/c composite plate in China,Website:http://www.htmagroup.com...

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