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Liu Yuwei, chief technical engineer of Luoyang Longxin Burden Charge Co., Ltd. w

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  • Posttime:2019-06-21

Mr. Liu Yuwei, chief technical engineer of Luoyang Longxin Burden Charge Co., Ltd. went to Hunan University for two months to attend professional technical training courses in the field of carbon, and completed all the courses and obtained the certificate of qualification


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