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Shanghai Kingfa’s patent, “the research, development and application of a key technology of weather-proof reinforced and toughened nylon for high speed railway” won the second prize of Shanghai science and technology process award.

Shanghai Kingfa’s patent, “the research, development and application of a key technology of weather-proof reinforced and toughened nylon for high speed railway” won the second prize of Shanghai science and technology process award.

2017-12-16

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