Nanjing Sittong construction Machinery Co., LTD was founded in 2017, the business scope of the enterprise is: research and development, production and sales of construction machinery and equipment: pipeline engineering, trenchless pipeline construction, pipe and construction accessories sales; To engage in the export business of products and technologies produced by the enterprise and the import of machinery, equipment, spare parts, raw and auxiliary materials and technologies required by the enterprise, brazing 戤 tantalum min.