The press conference of the world top 500 machiner

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On July 26, 2011, the "Research Report on replacing traditional materials by graphene single-layer atom" and the "world top 500 machinery" press conference were held in Beijing. The actuator travel was reset to ± 50mm. 81 Chinese machinery enterprises were selected, including Baoji Petroleum machinery, Zhongping energy and chemical machinery group, Hengshui Haijiang filter press group Said thian engsan, mechanical engineer of Lanzhou Lanshi group, Qilu Petrochemical Machinery and other petroleum and chemical equipment enterprises. The picture shows the representatives of selected enterprises taking the stage to receive certificates

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