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　　Welded steel pipe has superior ductility, integrity and convenient construction operability, suitable for buried laying, can be used for overhead, river inverted rainbow and pipe jacking construction.welded steel pipe has the advantages of simple production process, high production efficiency, more varieties and specifications, and less equipment.

　　In the first half of this year, China's external demand ASTM A53 ERW Carbon Black Welded Steel Pipe was more severe, mainly because the Trump Administration of the United States implemented trade protectionism, and trade frictions against China increased. To this end, the solution of policy-making departments will be to further expand Welded steel pipe, in order to ensure the expansion of Welded steel pipe and achieve the annual economic growth target. For example, at the meeting of the Political Bureau of the Central Committee held in the previous period, four measures were put forward to promote economic growth, among which the first one was to continuously expand Welded steel pipe, while the other one was toWelded steel pipe strengthen key technology tackling, reduce enterprise costs and promote the healthy development of the five major markets.

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