1. supply Innovation and application of construction and line laying devices in the construction of the building, and technical exploration and practice summary of China Communications Construction Group Co., Ltd. This article introduces an innovation in the field of construction of the building - a new type of construction and line laying device. The device includes shells, winding poles, handwheels, baffles and the first elastic parts. Its design is exquisite and practical, and can effectively reduce the messy stacking of lines and facilitate the reuse of lines. The article also introduces the relevant situation of China Communications Construction Group Co., Ltd., including its registered capital, foreign investment, intellectual property rights, etc. 13 Focus on 30 people

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