摘 要: | In recent years, as the big and medium cities like Beijing are developing rapidly, the high-rises emerged row upon row. The technical cleaning of the internal and external environment has gradually drawn concern. Personnel training for the job has also become a new job. In order to promote cooperation between Yandu Langsu Cleaning Technology (Beijing) Co. Ltd, a Sino-Japanese joint venture and Tongliao City in personnel recruitment and training, I went with some company staff from Aug. 8…
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