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    The company’s project such as "R&D of ring carrier material for aluminum piston", " high nickel vermicular cast iron material and technology for ring carrier used in Aluminum piston", "Energy-saving and environmental-friendly new type ring carrier for aluminum piston " all won the science and technology progress award.

    Update time:2020-12-11 9:59 Source:

    The company’s project such as "R&D of ring carrier material for aluminum piston", " high nickel vermicular cast iron material and technology for ring carrier used in Aluminum piston", "Energy-saving and environmental-friendly new type ring carrier for aluminum piston " all won the science and technology progress award.

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