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The Equal Diameter Piercing and Repairing Technology Jointly Developed by TIMEAST Tianjin and Changchun Gaoxiang Special Pipes Co., Ltd. Has Made Substantial Progress
Column:Company News Time:2016-05-15

       The equal diameter piercing and repairing technology jointly developed by TIMEAST Tianjin and Changchun Gaoxiang Special Pipes Co., Ltd. has made substantial progress.


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