Shandong Demao Iron and Steel Co., Ltd.The company specializes in the research, development, and production of acoustic pipes and grouting pipes.15Yearly, owningGoodTalents and equipment; mainly produce deep-processed steel pipe products and tunnel, bridge engineering materials: grouting pipes, steel flower pipes, steel flower grouting pipes, acoustic measurement pipes, cooling pipes, etc.; hollow anchor rods, concrete pile foundation ultrasonic testing pipes, etc., which achieve reliable sealing with sealing rings, and also haveGoodExcellent tensile and torsional properties.WidelyOur company specializes in the construction industry, road and railway projects, high-speed rail and subway systems, steel structures for high-rise buildings, machinery, and pipeline fields. We currently operate a precision high-frequency straight seam welding tube production line and a grouting pipe production line.2Pipe, Ultrasonic Inspection Tube Production Line20Tube, Hydrostatic Test Machine5Taiwan, t...